Same coat, different color.
It’s the exact same mental illness that makes people espouse far right views. It is, currently, still more common on the right.
It’s a way to get attention. It’s a way to feel empowered. Arguing with them is feeding their coping mechanism. Either don’t engage or state your position in a positive way that doesn’t attack theirs.
Either they can’t work and have nothing better to do or this is what they get paid to do. I wonder…