Yes, I had the smug joy of getting to tell my Google recruiter to f off back in 2014 because of a number of red flags in their interviewing process, very early in my career. I don't regret it at all, and actually my decision to simply take a short-term research internship at a DoE lab instead (and surprisingly) opened a number of doors in the startup world for me that I wouldn't have even known exist otherwise.
In my case one major red flag was "having to fly somewhere before I have an official offer", and I can only imagine the new zoomer crowd leans much more in that direction. FANG doesn't respect your time or effort at all, they think you should be honored just to be in their presence. That shit doesn't fly anymore.