“I’ve never heard of a MO Rabbi who says its ok to watch TV (or go mixed swimming in a bathing suit or other things). “
I beg to differ, from the few MO rabbis i know, they would tell you that.
I know a rabbi that has a TV in his office (obviously that gives it a stamp of approval)
I know a different “rav” that was the rabbi of a MO temple and left it to become a rabbi in a conservative school, but that’s not where i’m dealing with, i’ll tell you an encounter i had with him.
I bought something after pesach that had a shayloh if it was chametz she’avar alav hapesach (the store could’ve been jewishly owned), and i asked him because he was a rav of the Kashrut orginazation of the city where the store was located.
He responded what does it matter anyway because IT’S ONLY A D’RABBANAN implying (at least to me) you don’t need to follow d’rabbanans (maybe i’m going overboard but this was how i felt)
Anyway it was taarovos so it was muttar regardless