I'm no expert, but my guess is lack of education combined with extreme political divide in the country. From what I've observed, one side thinks whatever the "o

I'm no expert, but my guess is lack of education combined with extreme political divide in the country. From what I've observed, one side thinks whatever the "other side" believes in must be wrong and harmful, so they are obligated to take a contrarian view and are willing to die on that hill.