best arguments are defense and health. but he might be so good at shooting/scoring that it overcomes the defense. health, whatever. when he's healthy which has been often enough, his scoring is so great it may be enough to overcome.

and the way he makes guys he plays with better might be the best ever.

and this coming from a huge lebron apologist who thinks MJ is the best ever - i don't want anybody else in that conversation. but if i'm trying to be intellectually honest, it's hard to exclude Steph.