Luckily, this doesn't really happen at the 2 Gamestops near me. The only time I heard it on Sunday was a sarcastic "I have to ask this" and a knowing smile when I said no.
I bought my car brand new. There were a couple dozen miles on the car when I got it, so I know a couple other people took it on a test drive before I did. Does that make it used? Maybe to some people. I didn't really care, and as long as the disc and inserts look good, I don't care about gutted...
I can confirm as well. The douches behind the counter at the first GS I stopped at had no idea what I was talking about, but the second had signs advertising the deal everywhere. I grabbed a copy of the game and a guitar for myself. The lady behind the counter was pretty shocked that it worked...