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 
Someone on lemm.ee just posted a drama thread with links to several of our comments. If we did that it would be called brigading. It's all projection.
I admire your restraint in not linking it. Did they use those obvious wrecker comments or is it just the usual crying about guillotines?
it's a guy who unironically thinks that america is a democracy and authoritarianism is just another synonym for bad