How much couponing is too much?

I had this woman freak out at me when I was at work yesterday because her coupons were not working properly. 

People think that they are entitled when they coupon. That the store has no control over their purchases, but we can refuse coupons or limit your amounts of each item. 

To many componers, they look at the bottom line, not the practicality. How is it "saving" when you have more shampoo than you will ever need? If you donated it, that's one thing, but hoarding it is a bigger problem than spending money. 

Couponing is seen as the fail proof way to save money when lifestyle changes truly are the best ways to save money. Cutting down on waste and purchases can cut down your spending more than anything. Creativity and reusing everything can as well. Stop relying on one source and realize that buying in excess only is cluttering to your brain and your house.