That demographic will change as the old Liberals die off and their equally intelligent, but Conservative, offspring begin to fill the posts at university. It is changing already as the old Liberals look for any up and coming lights from the student body, sparse though they are. They would rather the torch of intellect pass to Conservative thinkers than go out altogether.
"That demographic will change as the old Liberals die off and their equally intelligent, but Conservative, offspring begin to fill the posts at university"
Actually, short of a revolution, it NEVER WILL HAPPEN. Because in educational institutions, the old dogs hire the new dogs...and self-perpetuate their biases.