As we’ve just seen, liberal claims that harmless immorality should not be regulated are inconsistent with strong moralism, but not with weak moralism. It’s clear that Mill rejects strong moralism. What is less clear is whether he also rejects weak moralism. We must endorse weak moralism if we think that there are cases of harmless wrongdoing where legal regulation is not only pro tanto justified but also on-balance justified. Any list is potentially controversial, but many people would think tha