We generally try to avoid eating McDonald's food, but will occasionally stop in for a coffee drink or one of their smoothies, which aren't too high in calories (although I'm sure they are ripe with other less than great stuff). The problem with this place is that they consistently under fill their smoothies, and only the smoothies. Every single time. I've attached a picture with about 2/3 of an inch of empty space in the cup.
Initially I thought this was due to their auto-fill system being set up that way, but if you go to other McDonald's they fill the cups up completely with the smoothies. Not so here. Either they have their machine set up incorrectly or its an effort to cut costs by management. Under either situation its just not acceptable.