Why are the commentators always shoving LeBron down our throats?

Maybe David Stern makes them say it to promote his cash cow, yea I'm sick of hearing it too, I don't even think LeBron is the best player in the NBA I think Kobe is no.1 and D.wade is no.2, then LeBron at no.3, to me you can't be the best if you don't have any championships plain and simple