I’m going to go ahead and assume you’re not from middle America. It’s a lot more than just shitty people being shitty. This Cracked article from 2016 explains it quite well and I can assure you, as someone who was born and raised and now lives in Trump country, it still holds up. Add seven years of aggressive propaganda and intense radicalization and here we are now. The populist to fascist pipeline is almost complete.