I thought about the "not a tool" some more. Maybe people have problems with that, because this tool also changes the skill set significantly. As a painter and a photographer you have to know about lighting and poses, about scene composition and stuff. How to use an AI software requires other skills. Your previous painting skills, should you have them, might only be usefull to better sift through the output of your AI and find the good ones and discard the bad ones, like the example given in the thread of pictures where there is anatomy wrong.
So in a sense, it is not just a tool to make work faster, it is also a tool to have the work being done by someone trained differently or not at all. The analogy of Birtish Longbowman vs. Crossbows comes to mind. Any fool can aim and shoot a crossbow, but it takes years of practice with a bow.