most of the instances I could find were filled with liberal centrists who call themselves leftist, and hate actual theory-reading commies.
something politically like lemmy.ml or even like lemmygrad would be perfect.
it also shouldn’t be heavily defederated against
Unfortunately they tend to oppose Marxists, so OP wanting a more Grad-style instance than anarchist disqualifies Kolektiva.social.
That’s true. Although I wouldn’t say Marxist but more Leninist/stalinist/maoist tendencies.
I didn’t know what the word grad-style meant until now.
The overwhelming majority of Marxists agree with Lenin’s advancements on Marxism, be they Marxist-Leninists or Maoists (not to be confused with the ideology of the CPC, which is ML). At that point, can they really be considered Marxist friendly?