Street's evolutionary debunking argument against moral realism depends not on evolution alone but on the conjunction of evolution and metaphysical naturalism

Street’s argument has also been challenged by such critics as Russ Shafer-Landau (2012). However, her argument, and similar arguments, have been acknowledged by some moral realists, such as David Enoch (2011) and Erik Wielenberg (2014) to pose a significant problem for their view. Enoch, for example, even though he offers a response to Street’s argument, evidently has some worries about the strength of his reply. Wielenberg, to avoid the criticism that in a non-theistic universe it would be extr