Clue #1: My comment was a joke.

Clue #2: Jokes aren't necessarily funny.

Clue #3: Even if a joke isn't funny, it is still a joke.

Clue #4: Jokes, whatever the degree of funnyness, are not appropriately responded-to by "How did you come about such-and-such a miscalculation? I demand citations." My calculations were deliberately fallacious; see Clue #1.

This website is sometimes like a frickin' Aspergers asylum.