No difference. Don't understand why RNC leadership, or controllers of the message, were upset about it.
Perhaps, because Clint mocked the wars ever so slightly. Judging from the camera moving around the forum, not all Republicans looked pleased at that part.
“Experience should teach us to be most on our guard to protect liberty when the Government’s purposes are beneficent. Men born to freedom are naturally alert to repel invasion of their liberty by evil-minded rulers. The greatest dangers to liberty lurk in insidious encroachment by men of zeal, well-meaning but without understanding.” — James Madison