At least Thrasymachus https://iep.utm.edu/thrasymachus/ made no pretense of being morally superior. 'Might makes right,' he told Socrates and left it at that. Preachy demagogues, aka liberal activists, betray a guilty conscience.  Just out with it: you intend to impose your axiology upon your traditionalist enemies, whether or not it can be squared with Reason, Natural Law and the Common Good.  Spare us the soteriological rhetoric- you sanction murder in the form of abortion and euthanasia.