This interviews have at least confirmed that horrible healing is a deliberate decision instead of an oversight.

People think that more time and engagement will push changes, but this game is 5 major releases in and seeing it's most success of all time with glare spam. They're not going to rock the boat for a fraction of a fraction of players. For all we know, for every obsessed optimizer in Savage fights there are two lazy healers happy to be along for the ride.

We should just move on instead of acting like battered spouses and holding out hope that the game will change in our favor.