By that reasoning if there was some situation where he had to sell himself into slavery to save his sibling’s life, similarly disturbing conclusions could be drawn from his refusal to do that.
You’re making an awful lot of assumptions, including the assumption that the person is a utilitarian and that their reasons for not wanting to donate don’t also involve life or considerations that a wide range of people consider as important as life.
By that reasoning if there was some situation where he had to sell himself into slavery to save his sibling’s life, similarly disturbing conclusions could be drawn from his refusal to do that.
You’re making an awful lot of assumptions, including the assumption that the person is a utilitarian and that their reasons for not wanting to donate don’t also involve life or considerations that a wide range of people consider as important as life.