You’re doing it again.
It’s also odd that you would question his desire to rebuke. It is a mitzvah. Yes, perhaps sometimes it is “lo sisa alav chet” and you can’t do it in practice, but you’re still supposed to want to do the mitzvah. Not to put someone down, ch”v, which some have cynically accused LF of, but because you don’t want him to do the aveirah and cause chillul Hashem.