Earlier quoted context omitted.
That's totally subjective. What someone may perceive as "turning the screw" could simply mean "probing deeper" or "seeing how you handle tough questions". One can get self righteous about that but it may be costing you tens/hundreds of thousands of dollars in lost earnings.
I understand your point of view, but I'm the sort of person that responds poorly to someone asserting too much authority. I've had issues with bad interviews before, where I've been rejected by someone, but then got the same job at the same firm, when interviewed by a different person. Also, the lost earnings argument doesn't matter much if it comes at the cost of your mental health. A bit unrelated, but there's an o…
Two magical things happened - during this interview, I realized that I missed a huge opportunity at my previous job (in that case, the step I fell short of was escalating to the CEO) but more importantly, I got the job.
I learned later that the company put a huge emphasis on their employees, especially managers, to be self reflective and not shy away from self examination or probing by others. The point of this interview wasn't whether I could come up with an answers but whether I had the stomach for looking critically at my own failure.
So, I got the job. It paid a lot because the company had to pay for people who could pass these kinds of tests. And it was great to work with people who knew that "their shit stinks too" because they had all passed this kind of self reflection bar.
If I walked out of the interview because the questions felt uncomfortable, I would have missed out on all that.