حسب جداله، فإنه اذا كانت العقلانية هي المعيار، العديد من البشر، من ضمنهم الأطفال الرضع و المعوقين، يجب معاملتهم على أساس أنهم أشياء.
If rationality were the criterion, he argued, many humans, including infants and the disabled, would also have to be treated as though they were things.