It’s not all logic and ethics: Your politics are in your DNA - The Washington Post

Many people balk at the idea that we are a product of evolution. On some level, they acknowledge that humans are social primates with a particular evolutionary heritage, but if you drill down far enough into their personal preferences — Why do you have a sweet tooth? Why do you vote a certain way? — their explanations veer into self-determination. They like sugar or vote Republican because they choose to — it’s what makes them them.....
https://www.washingtonpost.com/opinions/our-politics-are-in-our-dna-thats-a-good-thing/2019/07/05/c4d8579e-984d-11e9-830a-21b9b36b64ad_story.html