Intra-party friction has increased as this white moderate Democratic faction has been forced to contend with their dependence on Black, younger, and more progressive voters to win elections, especially as their fellow exurban white people have taken a hard right turn.
Many have consolidated around the white conservative elite view that Those People need to shut up, stop whining, and do as they're told -- which is helluva racist, elitist, and condescending, obviously. But try telling them that.