Australian philosopher Peter Singer has reignited controversy by expressing support for several unconventional moral positions, reigniting debates about ethics and animal rights. Singer, 80, who is often credited as a key figure in the development of effective altruism, has argued that the life of a newborn infant holds less moral value than that of certain animals, including chimpanzees and pigs.

Singer’s views extend to advocating that killing disabled infants is not inherently immoral, a position that challenges established ethical and legal norms worldwide. Additionally, he has voiced opinions favoring bestiality over raising animals for consumption, and controversially suggested that necrophilia can be considered morally permissible under certain circumstances.

Since the 1970s, Singer has promoted a utilitarian approach to ethics, urging a departure from traditional notions of right and wrong. His framework centers on assessing actions based on their ability to maximize overall interests or well-being, rather than adhering to fixed moral rules. This philosophical stance has found resonance among some in Silicon Valley, with figures such as OpenAI CEO Sam Altman and Anthropic CEO Dario Amodei acknowledging the influence of Singer’s ideas on their perspectives in technology and ethics.

Singer’s arguments continue to provoke intense debate among ethicists, bioethicists, and the broader public, particularly as advances in artificial intelligence and biotechnology raise new moral questions. Critics argue that his positions risk undermining fundamental protections for vulnerable populations, while supporters claim his approach offers a rigorous framework to address complex ethical dilemmas in a rapidly changing world.