From your examples I'd say that change would be even greater: Why does the garbage have to be collected at 4 AM? Why do people need to fill the mart at night?

From your examples I'd say that change would be even greater: Why does the garbage have to be collected at 4 AM? Why do people need to fill the mart at night? Do you really need a waiter? We'd have to reconsider the price our convenience imposes on other people.