I think that with the max agro rate being 10/12 mobs, The pets in lower areas and even some higher areas cant possibly keep up. leaving a trashing a lot of loot, and possibly rare grindable items we are looking for. My suggestion for a fix would be allow us to have more than 5 pets out at t atime or increase the t4 pick up speed. (honestly the better suggestion would be to allow us to have more than five) I would love to hear if anyone else has a noteable fix for this. 

So what you are looking for is t5 pets?

?1

the update that unlocks t5 pets is looming. They might also add a purchasable slot for having additional pets active.