Speaking truth to power has never been an easy option.
Professor Nutt has stated that falls while horse riding result in more fatalities than taking ecstasy. For all I know, changing light bulbs may be statistically more dangerous than taking E's.
Cannabis use is said to be innocuous. I wouldn't like to have to tell the parents of a youngster, who developed schizophrenia as a result of smoking dope, that their child's ruined life was a small price to pay for the freedom of others to have a toke.
Governments, of any hue, need to deal with more than the bald facts. That this government and Prof. Nutt have come to a parting of the ways doesn't mean we're on the slippery slope to a dictatorship.