If they intended that they'd be putting accuracy on healing gear, focusing on DPS as a core role of healers in all these new newbie training exercises they do (rather than mentioning as "it's nice if you can" aside), they might even be dropping the healer pretense entirely and just change the role name to "Support" or something. In addition the designers have been vocal on the state of things. While I wouldn't say their tone is alarmed or surprised, I think the healers-as-DPS-that-also-sometimes-heal thing is more of a side-effect of other decisions than a core design goal itself.
