I’m guessing that he said some bizarre stuff prior to audio recording the dinner (she refers to previous conversation re: opening doors when they were leaving the restaurant). I’m also guessing that she is recording just in case something terrible happens.
I think the biggest difference between you and the women on this forum is that we understand exactly why she audio recorded the date. Sigh. It must be wonderful to not to have to think about one’s safety when going out on a first date.