Why So Combative, America?

Needless to say, our society is divided on many issues, and a lot of this makes sense.  For instance, Trump supporters are not likely to support socialized medicine and free college tuition.  I get that.

But now we have meat-eaters who bear a seething hatred of vegans, and nuts like the one whose truck is pictured here.  Why does he feel that EVs are “electric shit?”