Why single out HIV as if it is impossible to filter out of the supply?
Screening accuracy is lightyears better today than it was decades ago.
Also, many things on the screening test won’t kill you in the event of a false negative on screening. A false negative for HIV screening meant a certain death sentence for the recipient, and that was true until just a few years ago.
Why single out HIV
HIV never was ‘singled out’. There are numerous other behaviors and activities that disqualify a potential donor that have nothing to do with HIV.