Singer vs. Regan Despite their rather different philosophical foundations, both philosophers arrive at basically the same conclusions. Singer takes a utilitarian approach, while Regan takes a deontological "rights" and "inherent value" position. In the end they both take a position of vegetarianism and advocated banning animal experimentation and sport hunting. In an exchange of letters in the April 25, 1985 issue of The New York Review of Books, Regan writes: "Singer and I have been independently applying …
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…for leeway and exceptions to his attitudes. Both Regan and Singer uphold vegetarianism for the sole reasons of how they bring value about to animals. Similar arguments can be applied to cross cultural, cross racial, and cross sexual issues among humans. The two animal rights and animal liberation promoters advocate a more sensitive world where we are all aware of animal suffering and animal worth, not based upon our utility, but for the animals themselves.