doesn't seem impossible to do that. pretty cool tech
How about world-wide gangster computer god Frankenstein controls and brains in jars on the far side of the moon?
Not enough truthiness. It needs to have at least some connections to published papers or news stories so that when people look it up they find related content that stokes their belief. After that the posts they generate will mutate the story and provide more material for others to build on. Come on man, this is Memes 101.
Or a gene drive that accomplishes the same thing, enslaving all of humanity within a few generations.