"What's wrong if I compliment a girl on her tits?"
Informally, nothing, actually. My good friend and model (you've seen her) uses the word "tits" to refer to her own tits. It's not a bad word. It's just not a good word to use formally. It implies that you have a level of familiarity to use the word.
Think of it this way: When you end a formal letter, you would end it "Respectfully yours", not "CUL8R!!"
You don't know me, and you don't know my model. Treat it like a formal letter.
For the conversation that brought this about: https://comments.deviantart.com/1/740946829/4580947169
I hope that brings up the whole thing, because I actually have no animosity. But I thought it might be a teaching moment while my fangs aren't out.
Do not flame MichaelCPhotography
P.S. I threw in "girl" as a bonus. They are grown women. Also respect that.