There are different types of scenario training and there are different levels.Like any training, scenario training must serve a purpose. The purpose has to be something that helps the student as well-- if you are setting the rules, telling the story and controlling all the parts, you can always "teach" a student that they will fail. That's for your ego. A student subjected to that only learns to never try.
Some scenarios can be for testing, and one of the best aspects of armored opponent...