Can we shoot nihilists?

My father has claimed for years that Socrates should have punched Thrasymachus in the nose.

In recent discussion with a prominent libertarian legal theorist, I responded to his insistence that "ethics is for the ethical" by asking if that meant I got to shoot nihilists.


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Lucky for the nihilists, he told me I would be unjustified in initiating force against them. Otherwise I'd have a new hobby.

("Ethics is for the ethical" means that ethical debate is for those who have already accepted the validity of normative language.)