Share
Published 12:14 27 Aug 2015 BST
Making the point their rivalry with Burger King is far from the 'unequal circumstances of the real pain and suffering of war,' that World Peace Day focuses on, it's pretty clear McDonald's are less than impressed by the idea.
The 'P.S A simple phone call will do next time' also suggests Ronald McDonald and co weren't keen on the public nature of Burger King's offer.
McDonald's taking the moral high ground, now that's funny.