They need a reality check, or advance technology is something we're not privy to.
I think after experiencing years in the mouth of madness, the conspiracy is they are the movie playing right now.
That isn't a giant leap. we been used in experiments since before the end of WW2 and maybe just after WW1. Which I believe has been implied. Control , real or imagined
That is what we only know.
The movie is almost over, I guess we decide how it ends.