The current hierarchy is either too high, either too low for adequate product breakdown, and hence create difficulties in work assignment and follow up.
Initiative to Epic=ok, Feature to Feature, ADD User Story level in between, Reqs to Reqs=ok
|Release time frame|
Today, we have introduced Master features -- a powerful new capability for your bigger work items. These can also be used as epics to group your stories.
Read more about it in out blog post: https://blog.aha.io/epic-roadmap/