Allrighty, a poor choice of words, then. What I meant was more or less along the lines of "while I like the idea of communism, I think maintaining vertical power structures while trying to make it happen is more or less doomed to result in yet another autocracy"
Additionally, Marxists don't have an issue with hierarchy, but classes. The Marxist and Anarchist notions of the state are different, and as such judging AES by how well it advanced goals it never had is a bit silly.
No problem! Let me know if you have any questions, it's a short article so it's lighter on details for tangentially related topics for the sake of brevity.