Oh no doubt. I don’t think KFC allows any specials like that at its franchises, to boot.
If I had brought up the image in a separate window, it would have been obvious: it's from Snopes.
Here's the original article:
This "disparagement by restaurant sign" is not a real photograph, but a product of the Fast Food Sign Generator site which allows users to digitally add any message to the sign pictured outside the KFC restaurant.