Unfortunately the lessons learned here are from such a distant past that many people think they no longer apply. We'll be doomed to repeat these mistakes by people who tell us it will be different this time around.
So if we're really repeating that stretch of history, look out for the modern equivalent of the Spanish Civil War somewhere.
I am past trying to debate with people that fall for this, it seems a better idea to sell kiddies pipe dreams and make some cash off of them. (For some reason these people get a lot of attention in the UK media).