[dagw]

Basically nobody seriously thinks it's an actual Da Vinci, but at this point it doesn't really matter. The narrative around the painting makes it a far more interesting work than any second rate actual Da Vinci could ever hope to be.

[povertyworld]

The surrounding narrative bit also worked wonders for another Da Vinci hit "The Mona Lisa". Had it not been stolen it would still be relatively obscure.