Looking at recent changes I wouldn’t even be surprised. It’s either all or nothing. They just don’t know what to do with Ana.
I love her kit, but hate the fact that skill isn’t being rewarded in any way.
“You hit every shot so far? Cool! You almost heal as much as your Zenyatta now!”
Sleep is rewarding, but hard to coordinate and execute.
You already pointed out Bio-Nade. It’s strong but you end up “wasting” it most of the time because you either need heal yourself or you struggle to heal anybody without it.