Human artists get in copyright trouble if the spam out a copy of something they studied and sell it. The businesses using AI artists do not seem to.
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").