Based on...?
They are on the same level group popularity wise. But Wonyoung seems to be a household name in Korea at this point, that's why they get more points.
The group as a whole...or Cupid? It's a bit early to see how Cupid's global glow up translates to group success.
That's the point. As long as NJ isn't clearly outdoing everyone in atleast one proper metric, there will be a debate.