In car accidents, airbags can greatly reduce the risk of serious injury. However, statistics show that cars without airbags are less likely to be involved in accidents than those with airbags. Therefore, cars with airbags are no safer than cars without airbags.
The argument is only hypothetical but not conclusive: the occurrence of the accident is at least as important as the serious injury caused by the accident in the assessment of safety most accurately describes the shortcomings of the above argument.