I just think if they enable this in the real world.... never enough mobs.. most mobs die in 2-3 hits and you have to wait.. there is no non stop paced grind possible.. also you get stuck in the terrain cause the maps are so well made.
Furthermore.. I dont see this usefull in instances.. but there should be more things been thought about then this auto hunt function. A lot of features should be adjusted or been put back in the game (trading players, back to shops in town - this was so fun to browse all stores, better events (rewards), get skins back into the game (russian aion event??); so