Certainly not rare, but consistent with the readings on the shelves: "Thoughts on Flash" (https://web.archive.org/web/20170615060422/https://www.apple...)

this def belongs on the shelf. added!

Ditto for PS4 and PS5.

Isn’t that choice mostly dictated by BSD license allowing them to keep things proprietary instead of GPL requiring them to release their changes?

Yes a big part of that, is being able to design Orbis OS whatever they feel like without caring about upstream, same with using clang on the devkit.

Who needs tests when you have vibes?