I don't consider Marx to be responsible for what went wrong in the USSR, and I think that thinking so is a very poor (and politically loaded) reading of history. And I'll note for the record that the same people who blame Marx for the disasters of the USSR never credit him for the miracle of modern China, where per capita GDP has grown 130x (in constant dollars) over the past 50-odd years.

And back to first principles here. We're not talking about whether Marx is bad; we're talking about whether Hegel is bad, because Hegel's dialectic was fundamental to the thinking of Marx and pretty much everyone who was anyone for the past two centuries of critical thought. And it wasn't just targeted at Marx, either. The broad brush also painted Nietzsche, Heidegger, "existentialism", even Wittgenstein (who was sort of a critical reaction to Hegel) as somehow wrong.

In my shallow, lazy, uncritical mind, this smells a great deal like a political bias masquerading as an idea.