But it's not a lesson if it doesn't explain itself. It just turns their comment into a puzzle that they know most people won't know how to read.

It's gate keeping in the same way as intentionally using technical jargon when common parlance would suffice. It's a bit insufferable.

If I need to Google what your letters mean then you better have something real damn interesting to say, otherwise I'm going to be annoyed. Especially since I don't have anywhere else to use that "skill".

Ugh now you just made them sound like those incels who think correcting someone's language is flirting, that it makes them appear smart and that that's attractive in any way