Post his defensive rankings
. Nobody is shocked that Kevin can score and score efficiently. He's been doing it for years. His issues have always been rebounding, passing and defense which still exist. Harden was the more complete player but nobody said he was a significantly better scorer or anything (at least that I saw).
Martin's problem is he may score 25 but give up 25. Harden by no means was a good defender but he was significantly more capable than Kevin.