That would maybe apply if we were talking about a 14 year old talking about how they're going to marry Marner. If you don't want to bother with younger fans, that's fine, but:

A) That post's attitude has little to nothing to do with ~teens being teens~
B) Late teens is old enough to be held at mostly-adult standards
and C) There are people of all ages on meme, so the "punching up" assumption is baseless.