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You might say this is about the only legitimate "insight" that war brings, assuming you've survived it.
I'm uncertain of your meaning here, but Art James is not "a wild-haired and pants-stained guy ... [who mutters] "War is hell!"
He has delivered heart-felt and insightful comments over time about any number of things. Perhaps I missed the intent of your comment altogether but, if not, it's an unfair and cruel thing to say about this man.