I think you mistunderstand the premise of this article. Heroine is illegal, as it should be. But there are many legitimate, legal, useful opiates. Marijuana is illegal, as are all cannaboids. But there may be many legitimate uses for marijuana derivatives that could benefit society. Studies need to be done, and people need to start thinking about it instead of reacting from their gut. Plus, when was the last time someone died from a marijuana overdose, or went on a pot-crazed crime spree?
"Plus, when was the last time someone... went on a pot-crazed crime spree?"
What about 7/11 slurpee heists?