With the multiple times Yoshi P says things like "I think the healer jobs should focus on healing", I believe that whatever comes down the pipe, it will on the surface level seem to support a reactive healing playstyle, for the kinds of players who don't want to DPS because they want to jump in with a clutch heal if things go wrong. Even if high level play requires DPS, the zero DPS healer should get no flak in the eyes of SE. And the healer design reflects this.

If they can figure out a way to make healer DPS interesting, while simultaneously making it seem like these healers are made for healing, I have no doubt they will do that. I have no official word from the team, this is simply something I believe after looking at the events and evidence. Take this with as much salt as you like.