Priority List Question

You've been on the same PSS since October 2015, and are just now figuring out how it works 15 months later?....
 
The worst part is being shown as didn't answer while waiting in the boarding area. Happened the last two times my wife and I flew through CLT. Both times we got on the flight, both times we wouldn't have if we weren't monitoring the standby list and challenged the gate agent.