Sated Devourer is stupid. OP or not its whole design is stupid. Here's why.
There is no reason a jungler should benefit immensely from doing nothing but farm.
I just played a game against a Shyv where I killed top 3x and mid and bot once before Shyv ever ganked, we got first drag, and after we had a lack of coordination where we didn't group mid game, gave a drag up and then Janna got caught once, we could not push for the rest of the game, we had no jungle, couldn't go out to ward, and the Shyv who was completely out of touch with anything that had gone on for 25+ mins because obviously never helped secure objectives or anything, was now a fucking god.
Auto-attack junglers already have kits that encourage afk-farming instead of supporting their team and already require far less mechanics than other junglers, there is no reason to encourage this it makes the whole game stupid. Its bad for the meta. Its just stupid. Who on Riot keeps insisting on bringing these hyper-carry AS jungle items back? Fix Devourer and fire them so they can't fuck up our game anymore.
The jungle role should not be about finding which champ is the best at exploiting an item and then doing nothing but farm all game. There is no one but you in the jungle, its not hard to farm. If you want to just farm you should go to a lane. This is fair because now you have a laner and an enemy jungler to stop you so its still challenging. It should not be so that picking the role that has the least opposition and doing nothing but farming is the optimal strategy or remotely near optimal, it should not be rewarded or encouraged with special bonus stats that others don't get. How is that healthy?