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This chapter provides a roadmap of ongoing conversations about cognitive disability and moral status. Its aim is to highlight the political stakes of these conversations for advocates for the cognitively disabled while at the same time bringing out how a fundamental point of divergence within the conversations has to do with what count as appropriate methods of ethics. The main divide is between thinkers who take ethical neutrality to be a regulative ideal for doing empirical justice to the lives of people with cognitive disabilities and those who reject this methodological precept as unduly restrictive. What results is a debate between, on the one hand, fans of various familiar forms of moral individualism and Kantian approaches in ethics and, on the other, a range of disability scholars and activists who implicitly or explicitly make use of philosophically more radical methods.

How can we make moral progress on factory farming? Part of the answer lies in human moral psychology. Meat consumption remains high, despite increased awareness of its negative impact on animal welfare. Weakness of will is part of the explanation: acceptance of the ethical arguments doesn’t always motivate changes in dietary habits. However, we draw on scientific evidence to argue that many consumers aren’t fully convinced that they morally ought to reduce their meat consumption. We then identify two key psychological mechanisms—motivated reasoning and social proof—that lead people to resist the ethical reasons. Finally, we show how to harness these psychological mechanisms to encourage reductions in meat consumption. A central lesson for moral progress generally is that durable social change requires socially-embedded reasoning.