This. There were times when I got a pairing alert just before hitting "submit" in trip shopping to see the available trips and it never even came up in trip shopping because someone got it already. I know scheduling had to move something through open time occasionally to get it to where they wanted it, but it almost seemed like someone had written a program to trade their trips for them. I'm not even that senior, but I think I prefer this system (at least in theory) to what we had.