I think everyone is way cooler when you stop saying dumbs things. AGAIN THIS IS ALL BECAUSE THEY DONT TEST CHANGES ON THE PTR BEFORE THEY THROW IT AT THE WALL.
If you understand real world technology rollouts/upgrades you would understand they way they do it , well its all wrong.
At this point with this much downtime and upset players THEY NEED TO REVERT THE XP CHANGES. Go do their job and test it and bring it back NEXT TUESDAY.