It's not a shame; if the donator new that his blood was bad, he shouldn't have given any in the first place and although he might not have known about his blood ''condition'', it would be not only dangerous, but also unethical to give bad blood to a patient. Anyway, it's not homophobic to refuse the blood coming from these men. Besides, it could be dangerous to use it.
Also, only close-minded or uneducated people are actually racist nowadays.
Also, only close-minded or uneducated people are actually racist nowadays.