Couples geting the shaft on duty roulette

[Norondor]

Using the word penalize would indicate some sort of reduction of tomes obtained since 2.1 by entering the duty finder with friends, but as that's not the case your point is moot.

the amount of tomes for playing without using DR has remained static (actually gone down 30=>40 in the case of AK)

thus the overall progress towards completing your weekly tome chores has decreased by 1/3 per completed dungeon if you are playing with friends, i.e. not using duty roulette

you tried to slam me and you goofed twice in a one-sentence post