Did you go in real late? Because they do often run out in the wee hours, as they bake them in the morning, keeping up with their mantra ‘always fresh’.
On the topic of WTF KFC, I went to a KFC in Barcelona once and it was totally not up to American standards. For one thing, the portions were eensy weensy. The leg looked like it had come off a pigeon. And no biscuit! But the weirdest thing was that the mashed potatoes (including gravy) and the coleslaw came in individualized sealed mini-dishes. You had to peel them open. Whah? Were they fillings these things from some master supply in the U.S. and then shipping them to Spain? Bizarre.