TikTok Senior Software Developer interview questions

Questions were Medium in difficulty. 3 rounds : one coding, one system design and one managerial interview. You need to pass each one to proceed to the next. They have an interview guide where it says the final round is behavioral BUT I GOT A LEETCODE question. And the interviewer such really annoying. He looks disinterested and not even ask questions. He was yawning during the interview. What a bad culture to portray if you can't respect people's time