I mean let's not forget that Grom led the Iron Horde against the playable Horde and killed a ton of them too. (Remember Durotan's poor brother). If they put him in charge it would just be continuing what in my opinion was the absolute stupidest moment in WoW's story. I want the unlock quest for Mag'har to show that Grommash has been executed or rotting in a jail cell with his closest compatriots where he belongs for the wrongs he did to the Frostwolves -and- the Draenei.