> … I suspect they've lowered the bar on what is acceptable in shipping software.
They certainly did. Yosemite shocked me.
I'm a former Mac user (1992–2014; AppleSeed programme member 2009–2014). The GUI of OS X 10.10 Yosemite drove me away from Apple. I gradually switched from OS X 10.9.5 Mavericks to PC-BSD. Then TrueOS, then FreeBSD-CURRENT with KDE Plasma.