My point was that the right will always smear the left. What people on the left say is not going to change that one way or the other.
And I'm quite familiar with how dialectical materialism works having written a whole essay on the subject, which I dare say is a better intro than the wikipedia entry https://dialecticaldispatches.substack.com/p/the-toolset-of-reality
What I'm saying is that the video doesn't discuss the mechanics of fascism, but rather how fascists see themselves and the narrative they use to promote their ideology. Understanding that is just as valuable as understanding how fascism function in technical terms.