I think it appeals to some subset, notably those who want to win and have enough self-discipline to apply proper tools.

I think that conflicts with our evidence. That subset is fairly large, yet (it seems) very few of them if any are on LW.

By "celebrating rationality" I meant something like what you meant by "popularizing rationality." The difference isn't important, but for what it is worth it has something to do with the intended effect of the art on people who already like the ideas it popularizes.

Which "movement"? There ain't no movement.

What would you call it then? A trend? A faction? A meme? Any of those classifications would satisfy me; my question still stands as-yet-unanswered however you choose to phrase it.