Well, I used to belong in the lower back rooms. I didn't rise high enough to be of any influence in public policy, but I sure learned at lot of the culture inside a political party. You might be interested in this article:

https://medium.com/politically-speaking/life-inside-a-political-party-2aaef1501437

This thinking moves into government and then society-at-large. If we want to get rid of it, we need to get rid of the political party.