“Douglas Futuyma's text (Evolutionary Biology, 3rd edition) he writes: "By coupling the undirected, purposeless variations to the blind, uncaring process of natural selection, Darwin made the theological or spiritual explanations of the life processes superfluous."
" Purvis, Orians and Heller, (in Life: The Science of Biology, 4th edition) tell students that, "the living world is constantly evolving without any goals.. . .evolutionary change is not directed."
I'd argue it's more likely they're exposed to none. Science works, regardless of what your view of science is. No philosopher of science, qua philosopher, has really made the slightest impact on science.