One prominent non-cat/comic meme isn't quite on the influence level of what Swizec was trying to make 4chan out to be.

My point is that he is vastly overstating its influence. The millions of 4chan users have produced _maybe_ as much influence as a single pop music star.

"[citation needed] on 4chan producing memes that are more than comics and cat pictures."

"The millions of 4chan users have produced _maybe_ as much influence as a single pop music star"

You answered your own question.