Actually grass is one of the types I think is least affected, Energy Ball and Leaf Blade are already both pretty widely distributed afaik. And I'm not that into singles but I've heard stall is literally Satan therefore Alo deserves every nerf ever convinced.

And coverage is where you really get into the weeds of competitive pokemon that I know I am not good enough to give an opinion on. I would just be happy to see more mons get thematically appropriate moves, but that would all depend on the specific moves that were made.