Ah, interesting that you think many people put >50% on hedonism and similarly-animal-friendly theories. 50% was intended to be generous; the last animal-welfare-friendly person I asked about this was 20-40% IIRC. Pretty sure I am even lower.
One thing to be careful of re: question framing is to make sure to constrain the set of theories under consideration to altruism-relevant theories. Eg many people will place nontrivial credence in nihilism, egotism, commonsense morality, but most of those theories will not be particularly relevant to the prioritization for altruistic allocation of marginal donations.
One thing to be careful of re: question framing is to make sure to constrain the set of theories under consideration to altruism-relevant theories. Eg many people will place nontrivial credence in nihilism, egotism, commonsense morality, but most of those theories will not be particularly relevant to the prioritization for altruistic allocation of marginal donations.