If the money saved on treatment for these people can be better spent in improving policy and other aspects in society, then it appears to be money well spent.

Transplant patients are prioritized, among other things, on the chance that they will be able to recover from their illnesses. Alcoholics are never given transplants for that reason.

At some point you have to take into account what works best statistically, otherwise you are being unfair to those who have not wasted their chances.