Not yet, games can still be created in older versions.
I think many game devs will be moving from unity on new projects. But there are many projects that have been in development for years, and you shouldn't avoid them because the engine's company is fucked up.
dupe
2022-08-09 https://news.ycombinator.com/item?id=32397510 (AppLovin offers to buy Unity Software in $17.5 bln deal)
> For people wondering what happens with the ironSource deal, this bid is meant to derail it.
see also
2022-07-14 https://news.ycombinator.com/item?id=32097752 (Gamedevs not baking in monetization are “fucking idiots”, says Unity CEO)
2022-07-14 https://news.ycombinator.com/item?id=32096371 (Unity is acquiring a company who made a malware installer)
2022-07-13 https://news.ycombinator.com/item?id=32081051 (Unity merges with IronSource)