What Stein said has been said innumerable times since the Bolsheviks got things going i.e. mass killing in Russia.
But for many facts fall on deaf ears. They have their vision of utopia (which means nowhere), and they're not giving up on it.
A lot of conservatives wrongly call all Dem/lib pols communists, but for the most part they're just parasites. They virtue-signal for their own benefit...the Clintons, the Obamas, Pelosi, Schumer are basically all parasites rather than hardcore commies.
But now we have a new generation of socialist pols like AOC who seem to never have read history or simply don't understand what happened. Of course, many are just power hungry, and are following a great paradigm if you want to kill a lot of people.
I thought Bernie Sanders was a one off old socialist pol who very soon would be just a sad footnote. Instead, we have numerous new socialist pols who really believe they can create paradise on earth by destroying the wealthy.