"There is a cult of ignorance in the United States, and there always has been. The strain of anti-intellectualism has been a constant thread winding its way through our political and cultural life, nurtured by the false notion that democracy means that "my ignorance is just as good as your knowledge." -Isaac Asimov

or more to the point

"Reality has a well-known liberal bias" - Colbert

You're not entitled to be heard. That isn't a tenement of Democracy or Liberty. You're entitled to be able to speak (as long as you don't hurt others rights).

So what is un-american thinking that Youtube needs to allow conspiracies and crazy un-proven, and way out there content.