There doesn't seem to be a lot of content linking Mohamed Bouazizi to mental illnesses... are you affirming that he was clearly very sick because he lit himself

There doesn't seem to be a lot of content linking Mohamed Bouazizi to mental illnesses... are you affirming that he was clearly very sick because he lit himself on fire? Isn't this cultural bias? In this light, Quanc Duc(http://en.wikipedia.org/wiki/Thich_Quang_Duc http://en.wikipedia.org/wiki/Thich_Quang_Duc), the monk of the famous "lit myself on fire in protest" picture must had to be a clinical mental anything, too, no?