I've had some rather interesting interviews myself, with several of my most ridiculous stories ironically being from here.

One guy -- the reason I started building a tracking tool, after I noticed that his email was autofilling when I went to send him a message -- ghosted me after I wasn't available the first day and time he suggested. Which was also a holiday.

Another place, a stealth startup, was a panel interview with their three founders -- two tech leads and the CEO. The tech leads actually had really interesting discourse, and I wish I could remember the name of the guy who told me that "testing means never having to use my brain for the same thing twice." It actually never occurred to me before that an interview could provide you with useful knowledge, let alone that an interviewer could make a point of imparting those things on purpose. However, their CEO asked me to commit 5 years of my life up while also refusing to tell me anything at all about what the company did.

Within the past year I also encountered one that expressly asked me for things I didn't like about a previous employer; badgered me when I didn't want to elaborate about a specific, traumatizing, walking HR complaint of a man; and then -- after I described vaguely how organizations and their leadership change over time -- explicitly asked me to rate that individual on a scale.