How hard is it to hire customer facing staff that can actually take orders accurately? Probably not that easy at the wages being paid.
KFC aren't cheap in terms of prices so you expect decent quality food and at least accurate order taking and fulfillment. Unfortunately they don't get it right at Knox. The burger buns were not fresh, large chips are filled to 3/4 and with dry, overcooked chips.
I guess the service and quality will vary based on the time of the day so hopefully you find that time and day!

Approximate cost: $10