What if some policies correlate with kinds of arguments people find appealing? An argument from natural law against the legality of homosexuality is unlikely to convince anyone who doesn’t love St. Thomas Aquinas, while the liberty principle won’t convince a single Dominican. Then again this is more a problem of ethical foundations than factual arguments, so perhaps by separating values from beliefs you can finesse this difficulty.
What if some policies correlate with kinds of arguments people find appealing? An argument from natural law against the legality of homosexuality is unlikely to convince anyone who doesn’t love St. Thomas Aquinas, while the liberty principle won’t convince a single Dominican. Then again this is more a problem of ethical foundations than factual arguments, so perhaps by separating values from beliefs you can finesse this difficulty.