A proposed rule requires the installation of guardrails on all traffic bridges in the state of Willericka. However, an engineer argued that because traffic accidents on bridges account for only 2 percent of all traffic accidents in Willericka, guardrails would do little to reduce the number of traffic injuries.
Which of the following, if true, would most seriously weaken the engineer’s argument?
【选项】
Most drivers are ill-equipped to drive on bridges.
选项是否正确？