Pardon me, but that's the dumbest thing I've read so far in 2021.
> There's crime
Broadly speaking, there's less serious crime than in a long time.
> corruption
Do cities have more corruption than society in general?
> decaying buildings
Are city buildings in a particularly bad state?
> Detroit looks like it was hit by a nuclear bomb.
Detroit has become famous for precisely that, but it's hardly representative.