How anyone thinks its acceptable to reference initials/acronyms before first defining them is beyond me.
this website belongs to YC. its kind of faux pas to not know them
I disagree. This is actually kind of a sweet gesture and convention. Like recognizing a friend’s Unix login at 3am when you type “who” from the command prompt.
There are a few people who get known that way in some contexts: rms, jwz, esr. They’re controversial, but that has become their shorthand within some context.