I agree it has those benefits and if I imagine those would create a higher quality of life, then each property that does have homes or businesses could be worth

I agree it has those benefits and if I imagine those would create a higher quality of life, then each property that does have homes or businesses could be worth more. So city revenue could go up because 1) each parcel is higher in value or 2) the city could even charge more premium property tax rates to be in such a high quality city. In other words, the city maintains itself more as a luxury good than a commodity.