[TaurenHunter]

You can't claim to protect society from anything without protecting individuals primarily. Society is not a herd in which you sacrifice an individual to save the rest.

[londons_explore]

Isn't putting a murderer in prison for life exactly that?

The prisoner would undoubtedly have a better life if not imprisoned. But society does better if they are imprisoned.

[hkt]

See also, placing limitations on political and economic power.