There is one massive difference between former violent revolutions and the current ones - the ultra-rich of last century still had to rely on appeasing the military to do their bidding, but the ultra-rich of today now have access to automated weapons of mass destruction at the reach of their fingertips. If they feel like it, they can nuke the planet as a last-resort measure, while they’re sipping their champagne in a self-sustainable complex in the middle of nowhere.