If modernist naturalism were true, there would be no objective truth outside of science. In that case right and wrong would be a matter of cultural preference, or political power, and the power already available to modernists ideologies would be overwhelming.
The problem with allowing God a role in the history of life is not that science would cease, but rather that scientists would have to acknowledge the existence of something important which is outside the boundaries of natural science.
The monopoly of science in the realm of knowledge explains why evolutionary biologists do not find it meaningful to address the question whether the Darwinian theory is true.