Pro-Trump voices seem to have taken over the discussion in most "conservative" spaces on the internet that I've found, so I don't think the implied equivalence

Pro-Trump voices seem to have taken over the discussion in most "conservative" spaces on the internet that I've found, so I don't think the implied equivalence here is a bad generalization to make in the context. Since they're so poorly behaved, they have to seek out alternative spaces that will tolerate their misbehavior. r/T_D didn't get quarantined on Reddit because Reddit has it out for Trump supporters—it got quarantined because it's a hate-filled shithole where bizarre and paranoid ignorance, racism, misogyny, and rampant glorification of hypothetical violence against their political enemies form the baseline for discussion.