I love linux, have used 4 different distros as my daily driver for the last 15-20 years or so. Yet still my linux-using friends and I have this joke: 'but will it hibernate?'
And to answer your question directly:
> Why are people using obviously extremely broken stuff
a) it's not obvious and b) it's not extreme. Apple products work smoothly for most people most of the time. We're on hacker news where the entire point of this forum is the selection bias around tech stories like this.