However that little Bacca player was on growth and now best player in world.
-For a recognised medical condition. Therefore, presumably a similar situation to a diagnosed asthmatic being allowed to use an otherwise banned substance. Although in those cases the use of that substance is ongoing. Yes he benefits from it by being 5'6" rather than 4'7" as he was predicted to be without it. However, he is still short for a man and is disadvantaged in some ways. Like many short players he happens to be a great dribbler.