Not only there is little difference between the frequency in which they guard the play, you also have to take into account defensive ISO possessions (where they're actually defending players with ball in hand) - where Curry had a 12.6% frequency (ended up 5th in total attempts defended, only behind the likes of Ibaka and Draymond) - literally TWICE the amount of Paul,
And stop twisting your initial position of Curry "
chasing around non primary ball handlers " whereas Paul wasn't. You've turned this into splitting hairs over who guards ball-handlers more, when you made out that there was this great difference to begin with.
i) Who said elite defense?
ii) Westbrook was NOT beating Curry off the trouble/and scoring on him plenty - most of the possessions without screens Curry forced Westbrook into a contested jumper, closed down his driving lanes or stopped Westbrook from backing him down in the post. He clearly wasn't scoring on him plenty either: 8-25 and seven turnovers says otherwise.
iii) Not all defensive possessions are on an island, you can't take away Curry's positioning and effort simply because another player might rotate over after most of the work has been done (I'm talking about the ones where Curry is actually staying with him, not the ones where Westbrook gets past).