I wish it was like that, and while its “true” that they “should” be starting purely from noise and form from what they have learnt the reality is that they end up using big chunks of pieces that are regularly found online.

Because its very different what you refer to training your brain vs what is training an AI, which is basically photobashing stuff to the point of including watermarks from stuff they stole while scraping images they dont have the license to use.