//Happily for all of us, at the time of Apollo11, Richard Nixon was President.
And we know that the Nixon administration would never have got involved in a conspiracy, and would never have misled the public. //
Watergate is actually a good example of what happens when real conspiracies are attempted. People screw up, make schoolboy errors, and the whole thing comes crashing down in a very short amount of time after a bit of investigation by a couple of journalists and other investigators.
Before long the conspirators are falling over themselves to rat each other out and write books about their part in the plot.