Did you drop your /s? (or, alternatively: I just don't know what's /s and what's not anymore?)

Poe's law strikes again!

Four exclamation points in a row is at least as clear as /s.

[flagged]

I didn't even twig to the possibility that it might have been sarcasm until "cheese pizza eating billionaires".

I've seen too many serious posts containing such fervor and grammar (although mostly not on HN).