Yes this is absolutely true. It happens in Apple stores everywhere, based on my own experience:
Wednesday Feature: Crazy Apple Help Desk
“Every Wednesday, the staff at Crazy Apple Rumors Site answers common help questions based on our vast experience with Apple products and our fervent belief that we know more than you do.
Q: My brand new 2002 iMac arrived last week and I’ve unpacked it and set it up. I have to admit, I’m a little upset. At no time has the iMac mimicked any of my movements, like it does in the ad. I feel that Apple has falsely advertised the features of this product. Am I missing something or should I initiate a class-action law suit?…..”