Truth and Conscience #SJWs

​Timely still, this essay by CS Lewis on “subjectivism.” Please watch the last few minutes – from about 10:30 in – if not the whole 13.
Lewis asserts that the idea that “good” can vary or is a product of evolution or conditioning will ultimately lead us to a society divided between the “conditioners” – eugenicists, (capital s) State educators,  and producers of mass propaganda – and the conditioned.

Those conditioners sound like our community organizers and progressives, who, in denying the time-tested absolute, ” self evident truths – while demanding that we accept the latest declaration of the “Social Justice Warriors” as . … absolute, self evident truths. 
While questioning the validity of any authority in order to demote conscience to opinion, they assume authority and invoke the conscience of the conditioned to enforce compliance.  How often do we find ourselves shamed  for objecting to actions that have been considered shameful for thousands of years by nearly every society on earth?
And since the SJWs (or their conditioners) de- and re-construct “truths,” their own consciences allow them to believe that they and their allies aren’t bound by the same “truths” that they hold the rest of us to. 
So, the next time yo find yourself the target of ethnic/gender/social conditioners for expressing truths that Aristotle, Hippocrates, the signers of the Magna Carta or the Declaration of Independence –  or even Jesus – would have recognized as self evident, turn their argument back on them. What is their authority, where is their evidence and how valid is it?