Of course you can imprison your way to a safe society. At the limit, you can just put everyone in prison. Nobody would ever say you can't imprison your way to

Of course you can imprison your way to a safe society. At the limit, you can just put everyone in prison. Nobody would ever say you can't imprison your way to a safe society. What people actually say is that the consequences of attempting to do that are not worth the trade off. Most people would not want to live in a dictatorial police state even if it is "safe".