They are targeting a vague group that they claim has these traits. There's no direct attack on any ideology specifically, nor any instance specifically, so we have to fill in the gaps and see it for what it is: an attack on instances like dbzer0, Lemmy.ml, Lemmygrad.ml, and Hexbear.net, as well as the ideologies of those instances, those generally being anarchism and Marxism-Leninism. Their position is that these are dominating flaws of specific instances, not merely a random type of person with an unspecified level of influence.