Please help

How "we all get it" is a clever comeback?

H

Well, it's certainly a piece of writing... (found on r/writing, in case it isn't clear)

On a sub about hating the /s people put after sarcastic comments

Wrong Avatar

How is this funny and sad

Has Nothing to do with the Game

Found it on the letter h sub

(Possibly Canadian) Nurses in India on Canada’s r/place subreddit

Truly one of the comebacks of all time