It is a (IMNSHO) well deserved systematic dismantling of the philosophy of postmodernism, a philosophy which I loath, but which has found much favor in academe.
It reduces the whole of human knowledge to competing relativistic fictions.
The Trump administration's comments regarding, "Alternative Facts," is the epitome, if not the apotheosis, of post modernist thought.
Read the whole thing, but here is my favorite paragraph:
Our current crisis is not one of Left versus Right but of consistency, reason, humility and universal liberalism versus inconsistency, irrationalism, zealous certainty and tribal authoritarianism. The future of freedom, equality and justice looks equally bleak whether the postmodern Left or the post-truth Right wins this current war. Those of us who value liberal democracy and the fruits of the Enlightenment and Scientific Revolution and modernity itself must provide a better option.Go read.