Saving the world from the menace of AIDS patients smoking pot

I won't argue with the legal merits of the Supreme Court's decision - it is quite likely that the supremacy clause of the Constitution trumps state authority in this situation. Still, why does the federal government bother with this? Are AIDS patients and cancer patients who smoke pot such major threats to the well-being of society that we need to be able to prosecute them for trying to feel a little better? Busybodies of the world, rejoice!

Court Rules Against Pot for Sick People - Yahoo! News