He broke the law repeatedly. His "lifetime imprisonment" seems to be because he thinks he is too fragile and weak to survive in the hellish canadian jails.
Not even the judge that tried him in 2008 thinks he's a terrible person, Alice. They said he was completely altruistic and wished he would have cooperated with authorities.
But he said he couldn?t grant a discharge because Mr. Simpson chose to grow marijuana and distribute his hemp oil illegally instead of participating in the federal government?s medical marijuana program.
It's hard to find any worthwhile information, because every single forums post besides yours seems to be potheads getting very het up over his video and irate that anyone could ever be jailed for doing something against the law. Meanwhile, research is still going on as to whether cannabinoids would be useful.
Not just overseas as the militant druggies would have you think, either There was something published from University of California San Francisco in January, and from the University of South Carolina last October.

So no, I'm not going to get virulently angry. Scientists seem to be working on it!