How much evidence do we actually have that AI wasn't used for these "real props"? (Personally I don't care about my ability to tell the difference between what

How much evidence do we actually have that AI wasn't used for these "real props"? (Personally I don't care about my ability to tell the difference between what's AI and what's not; I care about my ability to tell the difference between well-crafted and not, and that seems to be functioning fine)