I don't think it is the city at all. I think it is the current roster. Obviously, the Big 3 are on their last legs. And we now see what the rest of the league really thinks of Rondo.
historically we've had trouble getting FAs to come in their prime... thinking back recently the best guys we've signed (not traded for) would be Dana Barros, Dominique Wilkins (a very old one at that), an old Sam Cassell, an old Shaq, an old Tom Gugliotta, an old JO...not a lot of guys in their prime
I think there used to be a stigma on the city for black athletes, and that did hurt things for a while. However, for the last 20+ years the problem has been the C's have either not had the resources to get a major free agent, because they haven't managed the cap well enough, or they have simply had a terrible team that no one would want to play with.
Can we trade cap space? lol
Yes, we can. In fact, it is probably what we will end up doing. If Danny cannot get a top flight free agent, he will likely use his cap space to either combine with other assets to trade for quality players, or use the cap space to accumulate assets to rebuild with.
One of the reasons OKC is so deep now, is because they did such a good job of accumulating assets when they were under the cap. Memphis also did this.
And this is something that I think people looking to blow the team up right now need to think about. If the best the C's can get for their guys right now are mediocre draft picks, and other teams bad contracts, that opportunity is not going to disappear with the cap space. In fact, they might get more value for the cap space, as teams start to panic before the harsher luxury tax starts in 2013.