The cost of the electricity needed to create an image, was the cost of hiring someone on the UN abject poverty threshold to examine it for 10 seconds… with 2 year old models and hardware:
https://benwheatley.github.io/blog/2022/10/09-19.33.04.html
(There's also trademark issues; from the discussions, I think those are what artists actually care about even though they use the word "copyright").