The evidences for objective truths must be examined and a reasoned response arrived at, albeit on a personal level. Neither the state nor any other entity has the right to coerce those beliefs. Our right to them is one of our foundational liberties. As to whether those beliefs are rational and correspond to objective reality is a matter of personal responsibility. The thesis that all points of view are equally valid, all moralities are equally good and all beliefs or belief systems are equally true is clearly absurd.
Pluralism is a fact of life.
Tolerance is a necessity to the stability of society. Relativism is a either a careless, unthinking mistake or an offense to rational thought and a deliberate philosophical crime.