The goal of an interview is not to convince someone to hire you. It’s for the interviewer to determine whether to hire you and for you to determine whether you want to be hired. Both sides are equally important. The interviewer should, theoretically, have their end of things under control. However, you have to make a decision about whether you want to take the job. Not only should you not take a job that isn’t a good fit but you need to have some reasonable criteria to arrive at your decision.
Most of this stuff is highly subjective. Personally, I don’t really care ...