Savings in Broadband create Prosperity on Main Street.
One of the reasons the city might be doing better is that the extra Money subscribers have as a result of Dropping their overpriced lousy service will, with 99% certainty, end up being spent in various businesses all over the city's Main Street.
Megacorporations ship the money off to "Headquarters" and Wall Street.
Local Companies keep the money at home and often spend it just down the road at Other Local businesses. In Economics, it's called the Multiplier Effect.
From Wikipedia:
the local multiplier effect focuses on the greater local economic return generated by money spent at locally-owned independent businesses compared to corporate chains or other absentee-owned businesses. Localisation advocates cite the multiplier effect as one reason, of many, for consumers to do more of their business locally.