Are there really this many DMs?
After checking in for my Monday afternoon flight from ATL-PHL, I saw I was 11/40 on the upgrade list on a T fare. I realize T is a rather low fare, but I was surprised to see 10 people ahead of me on the upgrade list, especially on a flight that has plenty of inventory remaining (the lowest of which is Q). I DMed Delta on Twitter to confirm there wasn't a mistake (after all, upgrade ordering mistakes have happened to me before) and they responded that there was no mistake and no one was using an upgrade certificate.
Do others here have experience on this route? Is this a notoriously elite-heavy route, or is this an anomaly?