Their epistemology leaves an unsatisfying taste in ones mouth which confuses rather than enlightens.
Indeed.
That is why arguing with a liberal is so pointless.
My epistemology is derived from a rigorous application of reason aimed at overcoming irrational anxieties. A progressive’s epistomology is the reverse. For the rationally challenged knowledge is derived from the domination of reason by the emotions of fear, anxiety, anger, and hatred.