And we shouldn't allow this concept to go unchallenged here on Lemmy.
Commenting on an active post is not brigading
Posting a link to something is not brigading
Commenting on something you were linked to is not brigading
The only thing that might be brigading, but isn't because it isn't a real thing, is someone explicitly going, "Hey everyone, go here and harass this person"
It's all fine and good that we have some new rules to keep the peace with other instances but we must fight against 
This is a bigger part of it than I initially thought. Saw a comment to the effect of "look, I'm a democratic socialist, and I don't know how any modern socialist can support China, so they have to be trolls."
I told the person that used to be me, and referred them to some Parenti that was a big part of understanding how "authoritarian" AES states have supporters. Hope they read a bit.
If they've made it all the way to demsoc, there may still be hope!