Basically because he didnt PLAY 36 minutes. Those per stats can sometimes miss lead. As soon as he started playing bigger minutes in a starting roll is when his deficiencies got exposed. As a 15-20 minute player, his per just might go up again.
Ariza is the 2nd worst offensive player in the NBA. You can bet Artest isn't rated worse. Artest doesn't chuck up over 10 shots a game like Ariza.
About the 4:00 mark of the 3rd 17min, 4 TO, 4 Fouls, 4 pts, 2 Stl, 2 Asst Didnt he have a decent game last game?