Tautology - People who are effectively deterred from committing crimes do not commit crimes.
The system may be very effective at deterring many would-be criminals. Any system will be ineffective against some subset and so this statement would still apply.
Under any system, most crime will be committed by those whom that system does not effectively deter.
The system may be very effective at deterring many would-be criminals. Any system will be ineffective against some subset and so this statement would still apply.
Under any system, most crime will be committed by those whom that system does not effectively deter.