Frequent use of such words, thereby dismissing and discouraging evaluation of aspects other than those about to be mentioned, often indicates and exacerbates an ‘emotional’ disturbance. Thus the ‘mental isometrics’ that make Dennis Kucinich sound perpetually overworked – his cerebral cortex spends the whole day overworking his adrenal glands.
Obviously the man often has a point in most of the matters about which he speaks, but he then instructs the listener to ignore everything but his point. And he attracts a following of people who favor having their own adrenals overworked.
(I overwork my adrenals, too, but don’t favor doing so.)