When you see that a company is playing games in an interview, the questions are what other forms will the doofus/jerky culture take if you join, and how will it affect you.
> He introduced himself and we settled into the usual ritual of a phone screen. ... He gave me a coderpad link. ... It presented a simple data structure and asked me to do some filtering based on a set of constraints. ... He kindly ended the interview and asked if I had any questions.
Everything else is about the author struggling and being anxious. Where do you get "stereotypical brogrammer hazing"?
The CS101 hazing interview style was popularized by some CS students with no work experience, and then cargo-culted as religious rituals by others who also didn't have any other conception of what interviews for experienced professionals should be.
Actually one could argue if it kept being “stereotypical brogrammer” on the actual job, it would end up being much better outcome for the author