I would suggest that most of the people in this world live in an illusion. It's not that the physical world isn't "real" but it is the perception of what is going on... the motivations of why things are done... the reasons of why things happen the way they do.
The idea that medical doctors have our best interests in mind, or lawyers, or police officers, or politicians... when in actuality the truth is not as pleasant a thought. The good news is... we still have an opportunity to take on responsibility for ourselves and grow into adult Americans rather than just be childlike sheep headed to slaughter.
The following video is essential if one would like to know about our corrupt monetary system. How money is created from nothing. And how if one really wants to confront the illusion their living in... they'll have to deal with the thing they call "money" is really worthless paper. Dealing with that one is the greatest hurdle.