Well I personally haven't done this dungeon, maybe it's not the mechanics that are to hard but other things.

Party being lazy?
Bad connection?
First timer?

With newer dungeons it takes a while to get used to the grove of things. Now I've never played as a healer but I've rolled both DPS and a tank and whenever someone says they're new to a dungeon and that's older ones to sometimes I like to run it through how things go, If I'm a tank and the healers new than maybe I won't pull so fast. If the tanks new than maybe I won't go ham as a DPS so I'm stealing hate.

If all else fails, just run stuff with your friends or FC, I've asked my FC for help on the higher end content and dungeons that I have yet to touch on and they give me a brief overview of how things go and I have lots of fun with them cause I'm soaking everything new.