Agreed. Personally I find the moral argument, that people have self-ownership over their bodies and that it is immoral to initiate force against others (particu

Agreed. Personally I find the moral argument, that people have self-ownership over their bodies and that it is immoral to initiate force against others (particularly for victimless "crimes"), far more compelling. You wouldn't argue against slavery on the basis of the potential for vast technological advancement decades or centuries after its abolition, would you? Nor would you cede the argument simply because it appears economically inviable.