The kids that are constantly rude. When you finally get somebody on the speaker they speak so fast you can't understand them. Then you watch them work and then you start noticing they are serving people after you had watched the group of there before them get served and left. Your just so thankful to finally get your stuff you just wanna pay them and get out..... no need to bother tipping.... there's no service good enough usually to tip. I feel bad, but them kids are trained horribly.