The path to business success occasionally passes through the garage—famously demonstrated by industry titans like Amazon or Hewlett Packard. Zoning codes should encourage, not obstruct, these kinds of American success stories.
For all those cities that double population during the work day, here's a revenue thought to consider. But why restrict it to in-bound commuters? What about residents who commute-out of the city? Is the commuter tax a legitimate revenue source?