All your examples are things you say are stigmatized, just not in certain circles. In other words they’re actually counterexamples, unless you’re agreeing with me and I’m totally misleading your tone. If the goal is for prostitution to be destigmatized only in certain circles, then we’re already there. Mission accomplished!

It is a way for a society to condemn something

If there’s a difference between society condemning something and that something being stigmatized, I’m falling to see what it is.