Evan: I am a vegetarian because I believe it is immoral to inflict pain on animals to obtain food  Some vegetarians who share this moral reason nonetheless consume some seafood, on the grounds that it is not known whether certain sea creatures can experience pleasure or pain
But if it is truly wrong to inflict needless suffering, we should extend the benefit of the doubt to sea animals and refrain from eating seafood
It is uncertain whether all owners of the defective vehicles know that their vehicles are being recalled by the manufacturer. Thus, we should expect that some vehicles that have been recalled have not been returned.