And don't forget the GB naval blockade created by Churchill's "Orders in Council" had little to do with the German's response of sinking the Lusitania. Which drew the US in to the war.
Any time a country takes out its aggression on the civilian population it makes an enemy for generations. The case with Iraq hasn't degenerated to that level yet but if we try to "disarm" Saddam by airstrikes you can bet most of the marginal Iraqis will be running to Saddam for cover. After all, it's not like we've abandoned them before.