Only if they can dump what caused the mess in the first place which means firing everyone in the city government.
I think Detroit needs to replace their government with Ted Nugent and anyone he chooses to appoint as his underlings. Give him free reign for 10 years and see what happens.
Gotta get rid of the voters who elected them as well. The fools there keep electing the people who make a mess of things, no matter the results.