The usual defence from these kinds of shock 'artists' is it's deliberately ugly, because not conforming to any form of instinctual aesthetic standards that require actual skill or talent to pull off is 'a brave and stunning stand against society' if deliberately you go out of your way to ruin them rather than demonstrating you suck too much to live up to them if you try.

But the common aesthetics that require little talent are all conspicuously not 'subverted', like using bright pleasing colours instead of dull grey-browns and smooth colour gradients from a spray can rather than haphazard smudgy colour transitions.