I’m no artist, but I’m not sure I agree. As an example, Cubism (Picasso) or stuff by Pollack (arguably another ‘great’) seems quite distinct and therefore repro

I’m no artist, but I’m not sure I agree. As an example, Cubism (Picasso) or stuff by Pollack (arguably another ‘great’) seems quite distinct and therefore reproducible – at least visually if not physically (paint texture, etc.).