Some of us in gen z don't see much of a point to killing people in real life, but don't see the harm in video games. Neither have any "real purpose" other than making money.
That's not even necessarily a bad thing. WWII? Solid war, the Nazi's needed killing. And I like having people willing to do that on my behalf, so that I don't have to. But pretending the military is some lollipop guild that goes around spreading happiness and cheer is extremely disingenuous.