http://ezralevant.com/2008/04/the-human-right-for-mcdonalds.html
I think this only applies to that particular lawsuit, but I'm not going to eat in Canada anytime soon.
In a previous ruling, they also said a restaurant can't fire someone with communicable diseases, in this case Hepatitis.
If there were Frenchmen [or women] on the court, I might understand this disregard for basic hygene!