I friggin hate porn bots so much. They serve absolutely no one and they're an affront to all.
Drawings etc I can tolerate, that's fine, but we really need to bring down the hammer of justice on people who use real life people's pictures. Who knows if consent was given, who knows if they're pictures that are meant to be online?
You see a porn bot? Report that shit. Isolate them, throw them out of the fedi.
Welcome to your niu world ! We are a cute and loving international community Ｏ(≧▽≦)Ｏ !