Hm.
I have thought about it, but I like the AOE functionality and (slightly?) higher damage of Electrogenesis. I tried the fire spear from Wonderer's Palace, it is faster and AOE, though it also does less damage.
I do like that they've added an explicitly Tank positional. Instant, frontal positional, AND does more damage with Mighty Guard active. And yeah, doing all BLU stuff to get my spells, I was super cautious/proactive with my healing. Several of the tanking BLUs commented/complemented me on it since they said they've had poor experiences with other BLU healers that didn't do it (trying to heal like the green Jobs instead despite having no oGCDs) and how it's kind of useful/necessary given the more difficult Tank defensive GCD use.
There's a new Supranaka with a combo action, Innocence + Mount Gulg (don't know the names yet). The first you use 4 times in a row and it gives you a buff for ~10s, then you can use the other one 3-4 times during that window and it does double damage. At least, that's what I think it means reading the tooltips...
I also like BLU, but...for different reasons, probably.
More or less, other than "mostly damage kit". It's about half and half, depending on how much utility stuff you take. Don't forget stuff like Cactaguard or that you can use Mighty Guard as a poor man's Diamondback for short periods (watch out for the agro generation). Most of the damage abilities have long CDs. Most of the spamable damage spells are either single target or different shaped AOEs, and with different animations. The ones that do the same damage have the same cast times as far as I can tell, with some shorter cast time ones but they do less damage.
Moonflute, on the other hand, is a spell I hate. I don't find sitting around doing literally nothing "fun". Spamming a filler spell at least feels like I'm doing something, and Off-Guard already gives a "burst" effect.