I've emailed the city about this phenomenon over and over. Today I'm finally cc'ing the League of American Bicyclists (who hand out the "Bike-Friendly" designation that City of Davis has), the city's Bicycling, Transportation & Street Safety Commission, and the local newspapers. I'm tired of them dicking around on this.
I've explicitly pointed out that businesses need to be held accountable for the behavior of their vendors and the wear-and-tear damage they're creating to public property.