You can be intelligent but still be a fool.
I work with several intelligent physicians whom I consider to be fools, as it applies to “buying” liberal ideology.
Militant
Now I am with you. You are talking about intelligent people, not people with common sense. You mean intelligent in the educated book sense. Academic Dumbshnits! Yeah, those types just handed Bernie Madoff $50 Billion. Intelligent Idiots!
My father-in-law used to call them ‘educated fools.’ Having spent 28 years in an academic setting, I can only agree.