Diet Pepperoni???

I have been trying to make healthier food purchases for our family. Nothing drastic just if there is a "light" or "low fat" version of something I am buying I will try it as a healthier choice.
My oldest son seems to think that everything that is healthier is "diet". So tonight at dinner we had a pasta salad with pepperoni in it. I was telling Kurt that I had purchased the turkey pepperoni. I thought that I would give it a try and see how it tasted, after all the package did state that it had 70% less fat than the regular version.
Then I hear C say, "Oh great!! Now we have diet pepperoni!!"