If you're asking to queue as a group for Duty Roulette to get the bonuses, you're basically asking them to throw out the window the main reason why they put it in the game in the first place: to help people playing solo get a group more easily.

DR doesn't prevent people from doing stuff with their friends. Surely capping your weekly tome allowance slower is a small price to pay for being able to play with your friends. Hell, most people in my FC cap their Myth during THs.