How would you solve the boring "damage rotation" of the healers?

[Saraide]

I agree that that's what the game is. But at least according to the man at the top, it's not what the game is supposed to be. Yoshi-P has gone on the record numerous times (in 2017 and 2021) saying that in group content, there is no expectation that Healers do damage and that for balancing purposes their DPS is assumed to be zero. And since those times, he has never said anything to the contrary. So if that's his stated design goal, and the highest difficulty content in the game leaves enough time to spam DPS spells that healers get sick of it, then I would say that there are some tuning issues there where the design goals aren't quite being realized.

First of all is his statement not reflected in ingame balance at all and secondly this would lead to standing around not having your gcd rolling for 75% of the fight at minimum.