There you go again, there are plenty of dead German's, North Korean's and Japanese laying in graves in Europe and Asia that if they could talk, would disagree with you.
True but if you look now there are much better suit weapon platforms and ammo for that job which are cheaper than going the .30 carbine route.
It is a great gun to use for plinking and getting a shooter use to a 'heavier' recoil before moving them up to a .223/7.62 or .308 coming from a .22 platform.