Might technically fall afoul of anti-spam legislation if you don’t respect unsubscribe requests, though I’m not sure if that’s specifically for commercial email in the US, and it’s not like unsubscribing from one instance of this would do much. Probably easy to filter, though.

AI GPUs have specialized very heavily for neural networks, including things like going down to 8- or 4-bit floats in favor of more parallelization. Most of that hardware is just useless for graphics tasks at this point.