State has the right to coerce people and limit liberty, he says. This is not a form of punishment in any intuitive sense,. But we have the right to incapacitate them on the grounds that they pose a significant threat to public safety. And you could do so without appealing to free will retribution. Basic desert just deserts a moral response. Abilitya. I don't think a imprisonment is necessarily warranted in this case but i think that is the matter of degree, not a matter a difference in kind.