My one and only Google interview went this way years ago. Each round they'd send me more books to study, which frankly I couldn't be bothered to read given the circumstances. My experience ended when an interviewer in round 3 or 4 asked me an obviously scripted question. I answered sarcastically, he got peeved, and I never heard from them again. I'm not claiming I'm Google caliber, whatever that means. Obviously I'm…
And thirdly - because it's a proxy for intelligence by people who think they're smart for having memorized sorting algorithms.
Who wants to work in a place where people who memorize things are conceived of as smarter than people who didn't memorize the same thing at the same time interval (i.e. cramming before interview or just out of college?)
Fuck those places, I'd rather work with human beings.