People don't know what they don't know.
Teachers can't teach what they don't know.
How much do people appreciate honest and uncomfortable truths?
What can be done to wake people up from hypnosis so they are aware of what's going on? Do they even want to wake up? It is easier to continue to believe in the lies than admitting you have been lied to.
I would say that they don't. This is why they avoid any information that conflicts with their own world view, even if that view has been conditioned for profit.