“If they had restricted it to only open-source local models”

Is this even remotely enforceable? Stylometry can pretty effectively determine between AI and human written text ( not sure about code specifically since those are much stricter languages), but can it tell the difference between models or even if the LLM was run locally? (almost certainly not in the latter case).

I have used it to digitize and color drawings (i.e just take a picture of a pencil sketch and edit it).

If you zoom in, you can get pretty good detail, drawing just with a mouse.