I was in Berlin not 3 days ago and saw a restaurant that, by all appearances, is flourishing with this business model. It should be noted that in Berlin, you r

I was in Berlin not 3 days ago and saw a restaurant that, by all appearances, is flourishing with this business model. It should be noted that in Berlin, you ride the underground on something of an honor system, and no one j-walks, so the culture clearly supports this kind of business model.