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 
Literally every dog pile I have seen has been some nerd talking shit, a chapo or 2 posting in good faith, the nerd says something extra stupid... nerd gets dog piled.
you see, when I call you a Chinese bot, or fake Russian names I'm being a very reasonable discussion partner
when you call me out for being a weird racist it's brigading, trolling, 4chan, and the type of behavior that needs to be defederated from
Death to Russia = non-political
Death to NATO = I WILL NOT STAND FOR THIS TYPE OF COMMENT
also weird that one is a country full of people and the other is an aggressive military alliance, If one died a whole lot of normal people would die, plus some war criminals
if Nato died it'd just be dead war criminals
Ahem, I believe you mean "People of NATO"
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.