Fail.
How many more times did they do things like this, yet haven't told us?
So in your particular scenario, given how glaringly obvious the ‘C’-artifact is on certain production runs of that photo, you mean to argue that it was not caught before being released?
Because the whole idea of a Moon Landing hoax involves mitigating or removing anything that would indicate that it was a fake, yes?
Then, if the intent was to sell the hoax, why release something that is so glaringly obvious?