I find that LoD has way to much luck involved with it's use. You can not explain this away.
Or be really resonable abou it and throw logic out the window, it has to much luck involved.
I find that it has way too much SKILL involved- more, frankly, than I presently possess, if last night's raid is any indication. I'm up for that challenge, though. I wanna learn.
I STILL don't properly understand about the little old lady and the bombs, but it sounds like you mean sophistry of some variation thereof- when you use a flawed argument to press a point or justify a behavior, such as arguing that a little old lady with a bomb surely must be no harm, as she's a harmless little old lady. Is that correct? If so, I have to engage in such things every time I meet my extended family, and one of them discover I play WoW. This game is a complete waste of time. But it's a blast. Helping others understand why I still play it isn't always easy. XD (More especially, getting them to not call Wowaholics anonymous on me is the point of the whole exercise. :) )
I think that luck -MAY- be involved in LoD's use, if you live somewhere where ping times are habitually awful, or if you happen to have a bad night on a cable modem- but those things happen regardless. Whether it's that LoD didn't land properly or the fire appeared under you AFTER you died, ping times and lag ruin boss attempts. The Luck part all has to do with your internet connection, not actually playing the game. :)
I don't think it will take undue work to use. To be superman with it, probably, but even with some difficulties, your LoD is probably STILL going to be useful for healing the melee and groups of ranged. I also still argue, I think from the LoD thread, that LoD isn't really intended to always hit six people in ten mans. It's a target CAP, meant to rein in the spell- it can still be worthwhile and wise to cast it when it will only hit three. :)
That said, lag and ping time is the most salient, cohesive argument against the idea of positional heals I've heard yet.
2. Sighting difficulty (can't get out of the fire if it's hidden by sparkly white pretties!)
Have I missed any, so far?