I hate replying to ACs, but...
There is another and more logical reason for the army to have it's soldiers practice shooting at targets and that is to become better at hitting their targets. I'm guessing that is why it is called "target practice" and not "desensitisation drill".
Frankly the idea that violent people like violent things makes a lot more sense than being brain washed by computer games.
Here is my "Asinine comparison". Opening umbrellas causes rain as there is a strong correlation between rain and the people opening their umbrellas. Well, maybe I can not prove it "causes" rain but I think I can get away with saying that it is a contributing factor.
Lab test results on hapless mice have resulted in the destruction of colon tumors without making the mice sick. The PPAR-gamma compound is expected to be especially useful in combating treatment-resistant types of cancer.""I made a calculation error and used a lot more than I should have. And my cells died," Schaefer said. A colleague overheard her complaining. "The co-author on my paper said,' Did I hear you say you killed some cancer?' I said 'Oh', and took a closer look." They ran several tests and found the compound killed "pretty much every epithelial tumor cell lines we have seen."
"There is no distinctly American criminal class except Congress." -- Mark Twain