I am not a pro, but I know right now the only team able to defeat EVERY bosses in hard mode is around memento (like two times) then hazards, then boost a poke then baton pass into power trip. Something like that all the time. I don't know how but it would be nice to have other options (i know we need to cook) but updating moves set to 9th G for instance or changing the way hard bosses play could be nice. I am just bored of everybody having the same team, it is too flat. And i know it is not an easy thing at all (probably would have impact on many other things).
I don't have the solution but I'm just bringing my feeling here,
Regards,
Nicolas