It does. I will personally testify to it.
After you have served as a pawn to these people you are so disgusted with the human race you just can't be bothered anymore. Anything at all is too much trouble to go to. You feel the whole enterprise is sour and tainted and anything that smacks of interaction with society afterwards makes you feel ill. All of mankind looks like a bunch of good-for-nothing bastards you just don't want to know.
This isn't necessarily a realistic perspective and of course it isn't a healthy one. The facts don't lie, however. People who serve in the modern armed forces lose their will to exist when they get out. A lot of them end up homeless but their suicide rate is appalling.
Life in barracks is the most degrading experience you can humanly imagine and when you think you have had enough you still have years of it remaining you volunteered for. It is nothing but drunken manboons asphyxiating on their own vomit and dragging cheap hookers through the streets at midnight singing for years and years. You don't see the "worst in human nature" you see that humans bring out the worst in the universe and are an affront to God almighty by breathing.
For those of you who think my psy-ops education makes me suspect, you should know that it was the straw that broke the camel's back for me in my last year of service. Once I realized the elites run schools where they teach people to lie, I wanted nothing more than to move up into the mountains, squat in a shack built out of old truck tires and never speak to a human ever again. Luckily I grew out of this phase. I don't want you to think that is the best way to view the world but it is what a military career does to you. Anybody who argues another position is not supported by the cold, hard facts.