Every job related thread on HN devolves into a bitch fest about interview questions. I don't know how it works at non-FAANGS, but Google gets literally millions of applications per year, and even the maligned FB gets a few hundred thousands. I have yet to hear any workable alternative hiring process that can cope with such volumes. At these companies, the hiring probability for most individuals must by necessity be very low, no matter what kind of interview/hiring process you'd suggest.