Example on HN:
https://www.hnsearch.com/search#request/all&q=%22you+realize%22+%22%2C+right%3F%22&start=0
https://www.hnsearch.com/search#request/all&q=%22you+do+realize%22+%22%2C+right%3F%22&start=0
"No, you presumptuous commenter, I don't realize that. If I did, I wouldn't have said it in the first place. You realize that, right? Why don't you just say X = Y and leave it at that?"
I know it's supposed to be clever, but the novelty has worn off and now it's just very annoying.