The use of [citation needed] is one of the most infuriating, passive-aggressive internet trends perpetrated by people who clearly don't understand the point of citations [1].
[1] citation not required
No, it wasn't; OP made a universal claim (“most people” not “most people I know”), and a claim of irony which makes more sense with a real geerality.
I actually assumed (and, in fact, still assume despite your interjection) that the not_a_pizza had some basis for making that general claim, and merely omitted it, perhaps because they assumed others were familiar with it.