That's because you find them obscure. If your community used them more frequently you would just read them in place, like people do with IANAL, LGTM, AFAIK, etc.
Incidentally, I didn't understand this one, but I don't blame OP (oops, I mean 'original poster') for misunderstanding the linguistic norms of HN (hacker news).
Incidentally, I didn't understand this one, but I don't blame OP (oops, I mean 'original poster') for misunderstanding the linguistic norms of HN (hacker news).