has no explanitory power in comparison to class, their movements and relations.

I think this is more about transformational power rather than explanatory. You can understand something and be completely unable to alter it if you employ such perspective. As the saying goes: if you ask an engineers if planes can fly, he will say they can’t.

What this blog post boils down to is nothing new: a slavish devotion to spontaneity, and indivualistic terror.

The author writes extensively against spontaneism and the death of the individual. You’re picking the wrong fight.

We have roughly 200 years of accumulated revolutionary experience all around us. That is our starting point.

Experience built in a world that doesn’t exist anymore. It’s kinda acknowledged in the article.