Earlier quoted context omitted.
I saw it the first time as a kid. My friends and I tried to trick each other to see it too. I'm fine. We're fine.
You feel fine, but you don’t know what effect it can have on others. This is a selection bias. By definition, all the survivors of the most atrocious things can say "I went through XYZ and I’m still alive". That doesn’t make this XYZ something you would recommend to anyone.
Everyone has a butthole. Do kids never look in the mirror? Do kids never explore bodies? We spent 100k years or more looking at each other in the nude and somehow our species didn't all go insane.
Nakedness probably doesn't hurt anyone.