Reduce the recovery of "oGCDHeal" by 1/3 and increase the need for "GCDHeal".
Bring back the "stance" for healers that existed in ancient times!
You will feel the importance of GCDHeal and the difficulty of doing damage at the same time!

...I feel like this was implemented many years ago in FFXIV...
You may never know

Someone probably wrote these complaints somewhere back then too!