All realities evolve. All realities evolve including truth, knowledge, technology, institutions, religion, moral standards and biology. Conservatives, at least in religious circles, are on a binge of attacking all types of evolution. They try to portray life as a static. As a static, human life is an end in itself where there are no responsibilities but to restore society to the purity of God's original creation.
Material life has a purpose.
If life has a purpose, and humans are supposed to be accomplishing something, then all of the requirements for constructivity are involved. Rationality must be applied to objective reality to get constructive results. The purpose of human life is supposed to be to overcome sin. It must be done in an indirect manner, because sin is too abstract and subconscious to be understood well. The basic procedure is to solve human problems.