I don't know, I've walked into these interviews with zero preparation and succeeded. And I've failed FAANG-ish interviews where no amount of leetcode grinding would have helped me. In my opinion, it's getting rather silly. They're scaring off and filtering out excellent candidates with these excessive processes. None of them even cared about my Github repository that's full of code I write for fun. Software developer…
The fitness function used by these companies is so broken it's not even funny. The ability to get things done and ship product doesn't even seem to be on their radar. They are optimizing for dead weight, which is how they end up with these periodic 1000+-person layoffs.