Knew my description was weak when I wrote that.
I guess that was just my attempt to contrast their differing playing styles.
A match against top two yoots staged in US with differing styles might give chess a boost.
Caruana is young enough to still focus on chess 24/7. No other interests.
Carlsen is doing endorsements, modeling & plays some sports. He spoke on 60 minutes about being aware of the madness that often befalls the wunderkind like himself.