mistake.clubhttps://mistake.club/zh/Learn from mistakes. Preferably not your own.Vera Bradley's turnaround ran out: CEO and CFO out, Pura Vida sold at a losshttps://mistake.club/w/vera-bradley-turnaround-collapse-pura-vida-sale-2025https://mistake.club/w/vera-bradley-turnaround-collapse-pura-vida-sale-2025Revenue fell 24%, losses tripled, guidance was suspended and the board created a 'Strategy and Transformation' committee as Project Restoration failed.Ryanair taunted BA with 'Geography for Dummies' — and got its own map shamedhttps://mistake.club/w/ryanair-geography-for-dummies-backfire-2019https://mistake.club/w/ryanair-geography-for-dummies-backfire-2019After a BA flight landed in Edinburgh instead of Düsseldorf, Ryanair tweeted a joke — and Twitter replied with Ryanair's own wrong-city landings.DavaIndia's open admin APIs gave strangers super-admin control of its pharmacyhttps://mistake.club/w/davaindia-zota-super-admin-api-exposure-2026https://mistake.club/w/davaindia-zota-super-admin-api-exposure-2026Insecure interfaces let anyone create super-admin accounts on the 2,300-store chain's site, exposing ~17,000 orders across 883 stores since late 2024.Japan's Zentoshin collapsed owing ¥115B after suspected 20 years of faked accountshttps://mistake.club/w/zentoshin-falsified-accounts-bankruptcy-2026https://mistake.club/w/zentoshin-falsified-accounts-bankruptcy-2026Osaka's Zentoshin went bankrupt in July 2026 with 63 creditors owed ¥115.16B; Tokyo Shoko Research suspects falsified statements for at least two decades.WestJet pre-cancelled 1,200 flights before a strike, then fumbled rebookinghttps://mistake.club/w/westjet-mechanics-strike-cancellations-2024https://mistake.club/w/westjet-mechanics-strike-cancellations-2024WestJet scrubbed 1,200+ flights and 150,000 passengers' plans before a mechanics' strike, then faced 'systematically refusing to comply' claims over rebooking.Wendy's lost customers for six straight quarters as Peltz lined up a take-private bidhttps://mistake.club/w/wendys-sales-slump-take-private-2026https://mistake.club/w/wendys-sales-slump-take-private-2026Q2 2026 US same-restaurant sales fell 7% and traffic 12.5% — the sixth straight decline; Wendy's yanked guidance, cut its dividend, and closed 289 restaurants.Wells Fargo left ATM withdrawals out of its fee-waiver count, then promised refundshttps://mistake.club/w/wells-fargo-checking-fee-waiver-confusion-refunds-2019https://mistake.club/w/wells-fargo-checking-fee-waiver-confusion-refunds-2019Wells Fargo's 10-purchase rule to waive a $10 checking fee excluded ATM withdrawals; after a lawmaker's complaint it promised refunds in 2020.VIQ Solutions sent Australian court files to India, then administrators shut it downhttps://mistake.club/w/viq-solutions-india-transcription-breach-wind-down-2026https://mistake.club/w/viq-solutions-india-transcription-breach-wind-down-2026The main court transcriber offshored sensitive files against its government contract, went into administration in March 2026 and was wound down in June.Verisk tried to cancel its $2.35B AccuLynx deal after FTC delays; a court said nohttps://mistake.club/w/verisk-acculynx-merger-termination-2025https://mistake.club/w/verisk-acculynx-merger-termination-2025A court ruled in August 2026 that Verisk must keep pursuing approval, after an FTC probe sparked by an ended ServiceTitan integration deal.Unity's per-install 'runtime fee' enraged developers; CEO Riccitiello left weeks laterhttps://mistake.club/w/unity-runtime-fee-ceo-exit-2023https://mistake.club/w/unity-runtime-fee-ceo-exit-2023Unity floated and quickly walked back a fee on game installs in September 2023; on October 9 its CEO left all three of his roles.UnitedHealth lost $330B of value in four months and admitted its problems ran deephttps://mistake.club/w/unitedhealth-earnings-misses-doj-probe-reset-2025https://mistake.club/w/unitedhealth-earnings-misses-doj-probe-reset-2025Two straight earnings misses, a CEO exit and a DOJ Medicare probe erased $330B in 2025, per Fortune; the returning CEO promised a full reset.Tyson shut Yappah, its first Innovation Lab snack, 17 months after launchhttps://mistake.club/w/tyson-yappah-upcycled-snack-shutdown-2019https://mistake.club/w/tyson-yappah-upcycled-snack-shutdown-2019Yappah protein crisps, made from chicken trim, vegetable puree, juice pulp and spent grain, sold in cans at $2.99; Tyson quit in October 2019 on viability.T-Mobile raised prices on plans it promised would 'never' change; FCC got 1,600 complaintshttps://mistake.club/w/tmobile-un-contract-price-hike-fcc-complaints-2024https://mistake.club/w/tmobile-un-contract-price-hike-fcc-complaints-2024In May 2024 T-Mobile added $5 per line to legacy plans it had sold in 2017 with a never-raise-prices promise, citing a caveat found only in its FAQ.T-Mobile planned to move users to pricier plans, called it no price hike, then dropped ithttps://mistake.club/w/tmobile-forced-plan-migration-cancelled-2023https://mistake.club/w/tmobile-forced-plan-migration-cancelled-2023Leaked documents in October 2023 showed T-Mobile moving legacy-plan users to plans costing $5 to $10 more per line; backlash led it to cancel within two weeks.ThredUp quit Europe three years after buying Remix for $28M, having put in over $20Mhttps://mistake.club/w/thredup-europe-exit-remix-2024https://mistake.club/w/thredup-europe-exit-remix-2024ThredUp said in Aug 2024 that Europe 'really struggled' despite over $20M in cash, and it would exit and seek alternatives for Remix.Telus email went dark for four days after a Dell EMC repair slip on its storagehttps://mistake.club/w/telus-email-outage-dell-emc-2019https://mistake.club/w/telus-email-outage-dell-emc-2019A flawed repair of failed storage equipment took telus.net offline across B.C. and Alberta in August 2019; Telus apologized and promised bill credits.Target's DEI retreat angered both sides as comps fell for a third straight yearhttps://mistake.club/w/target-dei-rollback-boycott-2025https://mistake.club/w/target-dei-rollback-boycott-2025Target watered down its DEI programs in January 2025 and drew boycotts from the left while still owning the 2023 Pride capitulation — Q1 comps fell 3.8%.A stuck Syniverse server held back Valentine's texts for nine months before releasing themhttps://mistake.club/w/syniverse-valentines-delayed-texts-2019https://mistake.club/w/syniverse-valentines-delayed-texts-2019Syniverse's failed server held texts from Feb 14, 2019 until Nov 7; at least 168,149 arrived at odd hours, some involving people who had since died.Syniverse, which routes texts for US carriers, was hacked for five years unnoticedhttps://mistake.club/w/syniverse-five-year-undetected-breach-2021https://mistake.club/w/syniverse-five-year-undetected-breach-2021Syniverse told the SEC in 2021 that an intruder had been in its systems since May 2016 and had compromised credentials for about 235 customers.Suncorp was ordered to scrap a 60% home insurance hike it could not justifyhttps://mistake.club/w/suncorp-60-percent-home-premium-afca-2024https://mistake.club/w/suncorp-60-percent-home-premium-afca-2024Australia's financial ombudsman ruled in June 2024 that Suncorp gave no persuasive evidence for a 60% premium rise and ordered it cut to the average increase.