yep it sure is a nice way to level up and get some dil..... AND 99.9% OF THE PLAYERS LOVE IT JUST THE WAY IT IS!
Not only that, but rapid-running the thing is POPULAR. In fact that is in some ways half the appeal. It's only for an hour, but you can run it back-to-back-to-back, and it's some pretty sound blow-stuff-up action.
You're never short on people joining up on that queue - often for the fourth time an hour, or more.