Religious Fundamentalism is a Mental Disorder

I'm reading this news

Kathleen Taylor, a neurologist at Oxford University, said that recent developments suggest that we will soon be able to treat religious fundamentalism and other forms of ideological beliefs potentially harmful to society as a form of mental illness. She said that radicalizing ideologies may soon be viewed not as being of personal choice or free will but as a category of mental disorder.

Even before reading this article, I've always considered such people, who are radicalized and deeply influenced by the harmful aspect of religions, as very unstable and highly detached from reality. Religion promotes blind faith most of time. Once you voluntary/involuntary give up on thinking because of your affiliation to that religion/group/sect, then you are probably no different than someone with an impaired mental conditions.

Also, she is pushing for classifying extremists as people with mental illness rather than criminals. I disagree since people with mental illness can be annoying sometimes but they are not violent.