No, you are not the only one.
I'd avoid these. (but I'm also an admitted condition nut)
Probably trying to show wheel/roller wear for 2 of the pics, but to me the risk of additional scratches on the sides from the track (or other engine) it's set on would negate any positive from the rollers/wheels.
That last one is just..... WHY????!!!! Take 2 separate pics and learn to merge them together on the computer if you are trying to fit that size image for some reason. It's sort of funny that the combination is sitting on a white sheet. At least the wheels on the lower car are protected from whatever surface is underneath the sheet!! 
-Dave
