You say you're arguing in favor of less toxicity, but your example was a screenshot of a comment where I asserted my own healthy boundaries (after being needled by hundreds of demands in the form of "what about ?" from strangers over the course of months).
Which is more toxic?
Aggression isn't toxicity. The logical consequence of your stance is negative peace, and broken stairs.
Sure they do, because I tell them. The screenshot you posted is proof that I inform them.
The rest of this is needless language policing.