There's nothing you would change in the NBA to make it more appealing?Based on what?
White folks make up the largest piece of the consumers pie, and he's not even in the top-10 for jersey sales. Even Giannis is in the top-5 and he isn't even American. Unless you're saying that White Americans love all star players.
I think I have a fair reason as to why you find it unwatachable at the moment, but entertain me - what would make it watchable for you?