Its a nice touch when they have a pamphlet or something on the side that tells you the nutrition info, but sticking the calorie content on the display is a little much. It's info that should be available to customers, just doesn't have to stare them in the face
If you're eating a muffin or a piece of cake, you can't be shocked to learn it's high in calories.
I didn't know it was a law I've seen it at D&D. I didn't get it the muffin I was looking at was 480. If I had known that I would have stopped eating it years ago. It looked yummy and harmless