> Why does it seem like there's no real oversight on macOS development anymore?
It may seem like that, but don't forget 15 years ago Mac OS X 10.3 erased external FireWire drives.
http://kottke.org/03/10/important-glitch-in-apples-panther-e...
https://web.archive.org/web/20031202034911/http://www.apple....