Pick one of your favorite fandoms that he doesn't like and talk about it constantly. Not just every once in a while. CONSTANTLY. Sneak into his room at night. Talk about it outside of the bathroom door when he's in there.
the moon landing being staged can actually be countered quite easily because back then, it would’ve cost more to just stage the landing than to send a rocket to the moon
Wdym hard back then? When I saw a video of the ship(From the pilot seat perspective I believe it was) moving to earth it's just blackness around a weird glowing earth with the camera moving constantly