Truth or lies.  Liberal or Conservative.  Since the CONservative horde reserve the right to label anyone or anything differing from their brainlock ideology, their absence from education is a result of their own archaic, false ideation.  Knowledge is found and disseminated through arduous mental exercise, usually for a lifetime.  CONservative dogma demands adherence to pre-programmed orthodoxy devoid of scientific or logical analysis.  Just the same carryover from the Roman Catholic Church history of denial of same science or logic enforced by fear, threat, intimidation, and torture through the Inquistion.  CONservatives are just the millennial resurrection of the same terror system now pending in the Nationalist Government of Der Fuehrer Trump and his band of Nazi Advisors aided and abetted by the Republican Nazi Party nationally.