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 
Seriously! It's just a picture of a pig. No one's (mostly) screaming slurs or accusing you of being mentally ill or threatening your dog or telling you to hurt yourself (unless you're a landlord). It's just a pig with some poop on it. As far as actual internet toxicity goes it's pretty soft. Dismissive? Yes, extremely.