Keep in mind Popeyes is not really fast food. Unless you're ordering fried chicken, everything is cooked to order. They are bound by physics as to how fast they can cook a piece of chicken while keeping it delicious. Add assembly time, and even when it's empty, the cashier will tell you "it'll be 10 minutes" on a sandwich order.
Other things that a non-patron of Popeyes should know:
* There is a daily special (Wednesday is sandwiches in my region, it may be different in yours).
* There are coupons on the web site
* It is more expensive than fast food
* Being slightly mis-treated is part of the Popeyes experience. It's sort of how Chickfila is known for being incredibly nice to all patrons . . . well Popeyes is the opposite. If you don't leave feeling somewhat slighted, you didn't quite get the full experience.