Most of the purpose of pixel art is that it's hand crafted and every pixel matters. Not much point to pixel art if you drop that aspect.
This is 100% true for artists. But I am not an artist, and I like pixel art stylistically. So when I make sites or games, I need to either: use my bad art, hire someone on fiverr, or use AI.
Sorry, the point? isn’t the point of art pretty much what a person wants it to be?
I've been pretty happy with the little bits of AI pixel art I've generated. They bring my joy. So there's a point to it for me