Lets try a metal experiment, you have your knife and 3 enemies attack you at the same time. How many can you neutralize from 5 feet with your knife ? Suppose you have special training and you can throw your knife and kill one of them, you still have 2 ... Try the same mental experiment when you have a firearm in your hand ...
You can inflict much more damage with a firearm even without special training (not everybody can throw a knife and do some damages).
You can inflict much more damage with a firearm even without special training (not everybody can throw a knife and do some damages).