Probably not, considering that many (possibly most) of the well known modern and contemporary painters have other people put the paint on the canvas for them.
Do you mean the dragon in the background? Fwiw dinosaur fossils have been found for thousands of years already, with theories being that the Cyclops was based on mammoth skulls and griffins on triceratops fossils.
Three highly trained assistents to one of to he greatest artists who over lived, credited with contributing to major masterworks couldn't learn oilpainting? A common evening class subjest, nearly universally considered much easier then painting fresco.
It will make a difference, of course. But should it?