My own preference, if this is so, is for Blizzard to use this to develop all the tech styles in game. Horde and Allaince. Gnome, Draenei, Worgen, Dwarf, Goblin, Forsaken.
So - as an example - you'd have a tank (Steam Warrior with Dwarf tech), a Draenei healer (Combat Medic with Draenei tech) and a Ranged DPS (Operative with Gnome tech) on the Alliance side....mirrored by Horde style tech on the other (Forsaken Apothecary/Alchemist healer, Goblin Rocketeer ranged DPS, Goblin Tinker as tank)....all using a mix if bombs, grenades, sprays, turrets, drones, vibroweapons, etc as befitting their tech base and class. Sure - over ambitious, but why not aim high