If it had been damaged while being filmed you’d think that would have been noted.
That's true. Naturally, every unsupported assertion should be met with skepticism. But some provoke more ready skepticism than others. When I hear "the creator destroyed it in frustration because he was denied credit," it strikes me as the kind of sensationalist narrative people like to invent to make real life seem more dramatic.
It is, of course, entirely possible that neither explanation is correct.