The NBA doesn't need to work with the BIG3, but barring players and referees from participating (when they already participate with other events/leagues) seems like a step too far.
You could also argue that it is beneficial for the NBA to work with the BIG3, either in helping to increase the popularity of basketball in general, as a development option, or as a semi-retirement option for guys who can still hoop but can't handle the full grind.
The NBA doesn't need to work with the BIG3, but barring players and referees from participating (when they already participate with other events/leagues) seems like a step too far.
You could also argue that it is beneficial for the NBA to work with the BIG3, either in helping to increase the popularity of basketball in general, as a development option, or as a semi-retirement option for guys who can still hoop but can't handle the full grind.