Ethicism is the most comprehensively defended answer to the question regarding whether ethical properties determine aesthetic properties in artworks. According to ethicism, aesthetically relevant ethical flaws in artworks count as aesthetic flaws and aesthetically relevant ethical merits count as aesthetic merits. In this paper, I argue that ethicism’s most significant argument, the Merited Response Argument (MRA) (and other moralist arguments like it) suffers from an ambiguity that makes it either unsound or uninteresting. Specifically, the notion of an artwork’s ‘prescribing’ a response, central to MRA, is ambiguous between merely attempting to elicit a response from appreciators as appropriate to a work, and endorsing a response as appro...