"the company looked at the history of social media over the past decade and didn’t like what it saw… existing companies that are only model motivated by profit and just insane user growth, and are willing to tolerate and amplify really toxic content because it looks like engagement… "
Also: OPNsense. That wasn't even a case of going closed, it was Netgate making weird decisions regarding hardware encryption support. Of course, since then, Netgate has fallen completely off the wagon and done some incredibly stupid and harmful things.