Directing the attention towards the voters instead of the democratic party is a deliberate tactic to create division among the working class. The democratic party has way more power than your neighbour who didn’t vote. Getting angry at your neighbour will only alienate them further. It’s a waste of energy.
Social violence is still violence. The ruling class tries its best to blur the lines and make it seem okay because it’s legal. But in many cases social violence is even more deadly than regular violence. Most people understand that, which is why the ruling class needs a strong police state in order to feel safe.