Product Backlog Ordering (Not Prioritization)
Traditionally, most systems used to track defects and work items on a development or maintenance program include the concept of priority. James O. Coplien addresses the topic of priority in his 2011 article "It's Ordered — Not Prioritized!"
I agree with Mr. Coplien that the product backlog should be ordered, not prioritized — and here I present slightly different reasoning to support the same conclusion.