Right now bm spec design is very good. The game play felt smooth. If there ever need any balance it should just be some numbers.
But there is one little issue: lack of pet to player interaction. Bm talent gives the interaction from player to pet, player dose a then pet dose b. But not the other way around.
On v+ server, they gave bm hunter a 5ppm omen proced by pet attack. It’s a cool design as hunter got a free cast, but you cant just spam any spells, you need to time it with your most expensive spell or highest dmg spell. It adds some depth to the gameplay without breaking the dps meter.
It can also be pet attack proc some extra dmg from hunter, but that might be more difficult as it adds dps into the output…