It's not a big mystery. A lot of politicians are making their careers by dividing people.

Some policies are just downright mean, and seem to serve little purpose other than division.

Conservative/rural people are often on the receiving end, because they just don't have a large enough constituency to fight it. Sure, they are winning some battles, but each one is uphill and the slope is steepening rapidly.

Sadly, the country will suffer greatly. The left is wrong on a lot of things (or at least too extreme), but they are in control and there will be little pushback going forward. Even moderate democrats are being trampled.