Does it just not feel ethical or is one of their claims false? Both of the key claims do seem to have evidence to support them: 1) Paying for blood shifts the

Does it just not feel ethical or is one of their claims false? Both of the key claims do seem to have evidence to support them: 1) Paying for blood shifts the socioeconomic distribution of the donor pool. 2) The socioeconomic shift results in more contaminated blood due to greater incidence of drug use and/or related blood-borne diseases that cannot all be tested for with high accuracy.