I don’t think that I ever implied that they were. Because that would be really silly me being a left anarchist/libertarian. I have no problem with leftists or knowing what leftists are. I just have problem with authoritarians whether they pretend to be left or right.
And yes hierarchies are not completely avoidable. But they should be as local and as granular as possible. And we can have a really vociferous and act of debate on that. But National level organizations have always been one of the biggest problems.
Yes they may be a necessary evil to some extent but they should always be the ones answerable to others and not the one to be answered to. So many of our current problems with parties here in the United States stem from over concentration/centralization. Large unanswerable on accountable organizations that ignore the General Public. And especially when it comes to Democrats do not invest locally.