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 
Usually its 2-3 chapos calling someone a dipshit lib for posting a bad take, and then someone comes along with an nice effortpost an hour or so later.
Like, i approve of it, people get too used to not being called a dipshit. But newgangs first posters on the scene usually come in hot.