Earlier quoted context omitted.
Agree, São Paulo is as bad as most 3rd world big cities. But one less problem is one less problem, even if it isn't a big one. You get better when you eliminate problems.
Advertising is not definitely a problem to begin with, though. Advertising helps with a robust commercial industry and generates revenue for municipalities. Can it be done wrong? Of course. Nuance is lost on folks I suppose.
Let me convince you that my product is better than the others by spending money to keep the information abundant and flowing.