Its hard not to see this as FND and similar conditions with a cult of personality around a charming but misguided doctor. Lang's team really seems to have solved this mystery, but some patients seem to prefer the allure of a mystery illness and the one young lady in the article seems to have munchausen by proxy-esque parents.
The article ends in a heart breaking way. The one woman is applying for MAID. I wonder if she had better care if she could have been properly diagnosed and treated. Instead, she is going to try to end her life.
I think there's a real indictment here about how liberal Canada's MAID program is which the article glosses over.