Better the next day or better in 5 years? In 5 years it would be 1000 times better.
How? There have been lots of tracks that have closed in the last 15-20 years, Atlantic City, Hialeah, Longacres, Sportsmans, Rockingham, Garden State, Bowie...how did those track closing make things better?
The idea that reducing exposure in large metropolitan area's is going to lead to an expansion in the sport's fan/gambler base is a dubious one.