Had two interviews for a product role in past week or so with different companies, and every time I spent hours prepping, and then when I go in, they ask questions that are completely different from what I prepared for. So I wasted time prepping for it. I tried to prepare by running the JD thru Claude or Chatgpt, and getting it to guess what questions the will ask, not one time has it gotten even remotely correct except "tell me about yourself".

Is preparing for interviews a waste of time?