They control what you see

Someone write fanfiction for something like Bloodborne but with different companies as beasts/hunters, and have these 6 companies be the great ones

disney lowkey owns the world

It's damn near impossible to keep big news a secret anymore so it's not like some dystopian fiction where the Man hides everything from you. Or maybe it is an North Korea is actually the nation of freedom fighters.

If I was the CEO of any of those companies, I would invite the other five over for private drinks/coffee... just to fuck with the conspiracy theorists.