I don't even think it is that people don't care about FIBA in America, I think most people actively dislike it.
All of these FIBA changes will be fun for people in Asia and Africa, but major basketball nations don't give a shit at all. Americup? Who cares. I'm sure there will be some NBA players but no pressure for any top stars to play. Probably younger players or fringe bench guys wanting to make an impression. It will be similar to the Pan American games. And these qualification games? Dleague guys in small venues, representing America? If they just beat smaller nations and do their job no one will care. If they start losing games then there could be issues. Overall though, it is a decision FIBA made to benefit other coutnries interests and not America, Spain, France or any other country that relies on NBA players. This whole new move is even tied into the whole Euroleague vs Champions league mess. FIBA is making a power play, let's see what happens if the USA, Spain or France or another top team don't qualify. It'll look like a joke of a tournament.