Says who? I’ve never heard that, and am not even close to new.

It's heavily implied through social observation here on the site. Just like how "memes and quippy references" are frowned upon, which you immediately pointed out in a separate comment. Since you're not new, you just outed yourself as someone who has just enough social awareness to understand a small subset of what's implicitly accepted here, but you haven't fully developed the mental capacity for implications more than one layer deep.