How come everyone think MJ is the greatest player of all time?

in my opinion, Wilt Chamberlain is the best of the best. if u think MJ is the greatest, try to score 100 points in a game , average 50 points a season, or just to grab 50 rebound in a game. the chance for MJ to complete the first two task it is around %5, the last one is a big fat *** %0