I’d be okay with a mix of methods. The main zone factions are fine with WQs and emissaries, but the added factions need some kind of “mag’har” method of turning in drops for a small amount of rep, so you can farm (weeks for me to get the talbuk originally) as long as you wish.
I would also like to see some leveling gear at each of the main zone factions that are obtainable at honored. The 78 ZD 2h sword comes to mind. Gaining rep in dungeons to a certain point, at least honored, preferably revered.
The artificial timegating is lame, and they need to allow players to grind in ways that aren’t exactly the method Blizzard wishes. Make a good, fun game, and people will play.