Huh?
This is from The Atlantic, and is written by Kaplan, whom Noam Chomsky called an "ultra-right wing jingoist!"
Very simply put, its a philosophy of if something might be hardlets not try it.
Let me guess...you didn't read the whole article.
Did you forget your sarc tag? To Noam Chomsky, everyone is a far-right jingoist.
The left cranks up the anti-war propaganda whenever they think there might be action. “Oh, stuff might get blown up and a brazillion body bags will come home, oh, let’s surrender!”