Secularism is reductionistic. It is the rejection of the transcendent. If we cannot explain the existence of everything that we see by the transcendent explanation of a Creator beyond this world, we must explain all that exists based on its constitutive elements; its atoms and parts. We cannot explain a dog by a Creator God, but only by cells, bones, and prior causation. That is, the other dogs before this one.
Providing some insight into Kant for the philosophizing theologian, the 1789 revolution was a laboratory for Kant; seeing his theories put into practice. Read how Kant's former students, influenced by Edmund Burke, began turning their face away from Kant.
How Sola Scripture fits with the principles of conservatism is the thread of our life tapestry. It keeps us together, guiding us to keep our paths straight.