The bar for reviving is incredibly low. Those that could leave, left. The very people that could quicken the recovery of the fallen Midwestern towns are the same people who left.
Detroit has UM, Cleveland has Case Western, Pittsburgh has Carnegie Mellon which are all top-flight schools. In a strange way, they all have great local resources, but these are all, culturally, working class blue collar cities, and there is really nothing wrong with that. These cities ought to do better to embrace that identity.
I'm from Cleveland. The city was fighting hard against the impending collapse by building out the Rock Hall, rebuilding the Browns stadium and discouraging the Dog Pound, along with and other things to make it more like a major city, ripping out the soul along the way. When LTV steel went under, the dominoes fell one after another, which destroyed the day and night life of the flats.1
Everyone in America doesn't want to stare at a computer, drink $5 latte's, and eat farm to table food. There is nothing wrong with a town that has $3 beers in a plastic cup and a crowd of people screaming until at the TV until they are horse. There is nothing shameful about marrying a man or woman while holding each other's calloused hands at the alter.