To keep depleted batteries from polluting the environment, the government of Ulm is discussing a mandate that would require residents to dispose of them through a special pickup service. To offset the costs of maintaining such a service, Ulm expects to charge a fee, which would be collected when batteries are discarded. Collecting the fee at the time of sale would be more effective, however, because residents are more likely to make use of a service if they see themselves as already having paid for it.
Which of the following, if true, most seriously weakens the argument?
【选项】
Residents who recharge their own batteries will not have to use the service.
选项是否正确？