That's why it doesn't make sense to try and balance level 20 epics around level 28s. There's not enough incentive to run epics at level and many don't care about BB. The more incentives the better. As the remnant rewards get better the more people will want remnants to drop outside of the intended range. More players saying how easy the game gets but more players want less restrictions to group in epics and more reasons to widen the BB level range.