At least Mercy 1.0’s problems were fixable. This new design is broken on a fundamental level, and cannot be fixed without taking Mercy back to the drawing board. They didn’t even try to balance AoE rez, and in deleting it they threw the baby out with the bathwater.
The above post provides a rework that fixes all of Mercy 1.0’s problems and raises her skill ceiling without touching the level of the floor.