Let's face it, there is something very different between Liberals and Conservatives. Many people struggle to comprehend the differences. Just like anything these days, there are studies. Of course, most of the politics revolve around psychology. The excerpt, below, best summarized arguing with the Liberal mentality.
You don’t tell your opponent what to think or what’s best. You help them discover for themselves what feels right and best and most advantageous to them. Their ultimate decision is based on self-interest. That’s emotional. I want this. This is good for me and my side. (Decisions Are Emotional, not Logical: The Neuroscience behind Decision Making)