Without the hate, progressives would still have envy.
Envy is such an unattractive characteristic, however, that it must be accompanied by hate for progressives to maintain their sense of self-righteousness.
Their sense of self-righteousness and superiority.
They never give us any credit for being intelligent beings who disagree with them. They believe that we disagree with them because we are inferior.
One of the reasons every Republican president is labelled as an idiot, a chimp, stupid, unintelligent, crass, crude etc. while every Dem is super intelligent and so far above us they we can’t understand them. We are easy to hate because we are so far beneath them.