I really really dislike the pricing at an "all-you-can-eat" buffet. I only eat one french fry, yet I get charged £7.99 for it. If someone orders just french fri

I really really dislike the pricing at an "all-you-can-eat" buffet. I only eat one french fry, yet I get charged £7.99 for it. If someone orders just french fries at McDonalds, they get dozens of fries for £0.99. It just doesn't add up.