alt Hacker News> Feels like the best case is something like Hashicorp
Wow, that's probably my go-to case of things going south, not "best case scenario". They sold to IBM, a famous graveyard for software, and on the way there changed from FOSS licensing to their own proprietary ones for software the community started to rely on.
You're not wrong, but a) most of the badness happened after the founders checked out and b) it's hard to find examples of developer tool companies doing better.