Well I am not surprised as both the pax and TSOs at DTW are a little sub-par. Long before the late 2010 nonsense, I was waiting in line and opted out of a MMW. The TSOs acted like they didn't hear me and kept trying to convince me to walk through it, and all I said was "no." Meanwhile, a lady traveling alone with 2 small kids behind me was EXCITED to go through it and specifically asked to go into the new machine (instead of the WMTD), along with her children. She said something like, "I can't wait to try it!"
I generally try to keep a low profile so it was all I could do not to turn around and just stare at her, mouth agape, for being such a ding dong. But, as I said, this is pretty standard fare for this area.