The Gay community calls it desensitization. Is that what you advocate?
It's interesting how the gay community realizes what libertarians don't. Exposure to sexual perversion makes you more likely to commit sexual perversion. Behavior usually follows exposure--it's what every ad agency knows. Sure, not everyone will get hooked, but some will that otherwise wouldn't.
I think local government has reason to restrain public acts to limit exposure and reduce the effects of subsequent acts.
There is a big difference between being desensitized and being overly sensitive.