KFC blackheath out Cresta mall

I'm so unhappy I just a the KFC out Cresta. The manager sow the was a line and she was not worried the guy by the till kept on taking wrong orders.. I was in the like for 10minits note I was number one for that 10mints only to get to the teller to tell me ill have to wait 15mint to get my order this is the 2nd time I go there and they have storys