Portland went 3-0 on the week.  In those 3 games Melo was 27 of 47 scoring 67 points, grabbing 23 rebounds, though dished out only 8 assists.  He turned the ball over just 5 times.  
Clearly not the most statistically deserving (Doncic among others), but given the feel good nature of it and the basically meaninglessness of that "award" I don't have any issues with Melo getting it.