> Controversial.
It hasn't been for millennia.
Fuck Andy Warhol.
> it was made by humans wasn't it?
I just wrote my name in the snow with urine expelled from my urethra.
It's not art.
> And it doesn't have any utilitarian purpose, does it?
Pornography has the utilitarian purpose of supplementing an erection, facilitating easier masturbation or sex.
It's unambiguous to most people whether something is pornographic, even if finding a set of rules is more difficult.
Pornography is not art.
This isn't to say that pornography has no cultural value...
Yet, pornography is still not art.