one of the things programmed human livestock have been trained to do is squabble with each other over political issues, etc. Because different segments have been programmed to opposing paradigms - so you have the left vs right, conservative vs liberal, etc.

It assures that the people never unite against the owners of the farm.

You know you are seeing this when people are like "fuck you commie" when arguing their points and so on.

There is no reasoning with an opposing viewpoint when this principle is in play. Because most people are driven by sensation, such as tribal defense dynamics, etc. Its like fans of opposing football teams. Its a huge myth that people evaluate information and process based on facts. They are driven by instinct to be right, that is all.