 The details of Feinberg’s balancing test are complex and potentially controversial. But most liberal societies do in fact allow for some nuisance regulation. If one is going to consider modifying Mill’s categorical approach so as to allow the prevention of profound nuisance, then one must employ some such balancing test and allow restriction only when the offense is hard to avoid, the expressive interests of the offenders are modest, and offenders have alternative avenues of expression. Since Mill’s own position on offense regulation is not fully consistent, it is hard to say how big a modification this would make in his liberal principles.