Do people actually appreciate how LK made his billions?
Love him or hate him, like so many successful people, he is a master of promotion.
Constantly floating these new ideas and plans, is mostly about getting the NBL into the news and the public consciousness.
And it works!
In regards to this specific idea, like any "idea' it is short on details, and what has been discussed would never work.
If the players are selected by the league, then you have the inevitable problem when United's play is superstar, and Cairn's player is a crab who breaks his leg in the first game.
If it is left to the teams, and the league ponies up the $100k, then you have the problem that Perth's offer of $100k, championships, chauffeur, first class airfares home, and living in a mansion, will get them a much better player than $100k, half-price fish'n'chips, and living in Bevo's garage.
Then you have the inevitable problem that Sydney will simply ignore the restrictions, sign another superstar, and say "oops, soz."