The fact that not a single one of the thousands of people who worked in the Apollo program have ever leaked a word about the hoax doesn't seem to deter the conspiracy loons.
I guess they're all sworn to secrecy on pain of death... /sarc
My brother has the same idea about 9/11, I tell him if it was an inside job, wheres the people out of the thousands that would have to have been involved blowing the whistle at? He says, “their families would be killed”. I just laugh.
It was Ender’s Game in reverse. They were in a building with no windows and just believed that they were in on a real moon landing when the astronauts were in the other room behind one way glass trying not to giggle.