i will spare you my criticism of modern governance and capitalism, i'm sure neither of us are interested.
Marx never governed. i'm sure he would have liked to, and i'm sure it would have been disastrous, as all projects like that seem bound to disaster. it is worth considering his analysis as distinct from Communism, and Communism as distinct from Bolshevism and Maosim and so on. and you should believe those leaders acted in the spirit of Communism as much as you believe the President of the United States acts in the spirit of Capitalism, which is to say: don't be a fool
of course we are at the tip of a deep history of unbounded carnage. you can step forward with all the knowledge bleeding from that grinding mill, or you can black it out, roll the dice, and get back in the hopper
The trouble is that his solutions sound meaningful and profound. Alas he failed to account the fact that humans are not perfectly good. And we're living now with millions of people who died when his solutions were forced on them at gunpoint.