For reference, the current Flag of Milwaukee, WI, which is quite busy:
As for the so-called "People's Flag" -- either with or without the city hall barreling into the harbor -- it bears a small resemblance to the flag of Reno, NV, which is a pleasing flag.
Robert Lenz’s “Sunrise Over the Lake”, selected after a public competition, which prompted the humorous version with the city hall building.