Not insanity. They needed to implement envy and foster resentment and that was a way to accomplish the goal. Did you think they cared about fairness and social justice? They simply wanted to ratchet up the anger by rubbing the noses of the poor in the circumstances of the middle class and strike fear into the gut of the middle class by placing them in close proximity to the barbarians.
I hate the left. But they are not stupid. The _are_ evil. They also never back down and never quit, no matter how much they win. Do you also think they are unarmed and afraid? You’d be wrong. They posture about gun control while making sure they are protected.
Your own handle tells me that you know some of the same folks I do. Maybe you just voted for them and never got to hear an unguarded comment?
Socialism is a scheme by which the productive class is enslaved for the benefit of the elite. To accomplish this, they need the threat of underclass violence in order to keep the middle-class in line. To intimidate the middle class, it's important that they are disarmed and vulnerable to underclass mob violence.