Bad Juju is out likely for PvP balancing reasons. Combine it with armor exotics that generate Super Energy in whatever fashion for each class, and you're bringing back the whole Abilities used more than guns fiasco (highly exaggerated issue because unless you sat in Mayhem its impossible to use abilities more than guns, just people bitching someone pulled out a clutch).
English
-
If it came back it would only be nerfed to shit anyway