As startups grow beyond a critical threshold, they start to attract a certain type of person who is more interested in mercenarily growing within the company / setting themselves up for future corporate rise than building a product. These people play to the company's internal court and create deeply bitter environments that leads to more mission-driven individuals leaving the company.
Which is why we end up with decisions like OnlyFans hitting $1B / yr in revenue (with extreme profitability) off of porn and then deciding to ban porn, https://www.ft.com/content/5468f11b-cb98-4f72-8fb2-63b9623b7...
Or, Digg deciding to kill its "bury" button and doing a radical "redesign" that made Reddit worth billions.
Unity's decision to update its pricing. Sonos' app "redesign" etc etc.
Corporate vampires will cheerfully slaughter your golden goose. Or, in the best case, severely cripple it.