People do make art and be creative still so I don’t know why you’re asking why they don’t.
And people still do it because making art is a thing humans do and like to do. People still sew even though they can just buy clothing.
Acting like there’s a barrier for entry to make art is a flat out delusion. Humans were making art on caves with chalk and dirt they found. You can make art with a stick. Acting like artists are rich elitists is the most ignorant and incorrect thing I’ve ever read on the Internet.
Elaborate