Eventually a person bricks himself up in a prison of personal "impressions" that cannot be affected by facts.
That's what you see happening.
Someone thinks the lander photos look like they were shot on a soundstage? Well, by God then they MUST have been shot on a soundstage if that's what that person thinks.
Buzz Aldrin had the right idea when he punched that hoax believer who was foolish enough to challenge both the reality of his accomplishment and the courage he needed to accomplish it.
Bravo to Buzz Aldrin.