Domino's guarantees that you will receive your pizza in 30 minutes after ordering. Great deal. But is it possible? Doesn't a pizza typically take at least 20 minutes to be made? If they guarantee your pizza in 30 minutes, I think we might also be able to assume that's it's not fresh.
Probably not too surprising for anyone who has actually ate Domino's.
You always have to straddle the line between producing a great product and providing a great user experience. For the best in experiences, the trick is to find some balance in between. Having a great experience usually also involves consuming a great product.