Pulseaudio was introduced in 2004. How come it took almost 20y for it to be replaced if it was that bad?
Did you learn nothing from X11 usage? May I remind you that X11 was invented by Xerox in the fucking 80s?!
Bad software attaches itself to OSs like a cancer.
Everybody who is hated and popular gets death threats. Hell, even the nicest actors get death threats.
They are easy to write and send, and there's 0.01% of the population that is mentally unstable enough to actually do so. You and I don't get death threats because we aren't popular enough.