The exercise in caloric values is memorization without purpose. It's not like you're going to be using this information to calculate caloric values of an entire food. If you want to know, you test the food.

Presenting ethanol as a nutrient is a content problem... and a pretty severe one that any layperson could notice. It's probably not a good message to be confusing for college kids, either.

"Five steps to behavioral change" sounds a lot like received orthodoxy that crushes original though.