The person who commissioned this is probably glad they opted to stay anonymous. "Dude I just want to fap to my fetish, why do ya'll gotta turn this into a thing about sexism?"

"If I have offended you, I apologize."

I believe an artist is the one kind of person who shouldn't have to give a fuck about being offensive and certainly shouldn't have to apologize for it. These crybullies need to take a long walk off a short cliff.