Message to User:
I can't tell what's going on here. Are you trolling? Are you seriously accusing people of abusing mechanics based on how they gem? Or are you just waving your dick around? I'm going to say D) all the above. And coupled with the shitty formatting and post signing, I'd also say you've earned yourself an infraction.
An argument implies a contradictory position, but we both agree the point you are trying to make.
You point that spamming holy lights probably gives better throughput, and that is something I fully agree with - in a fight like Patchwerk (or, for that matter, even Brutallus). (Un)Fortunately, it's not always the case where you can just stand there and spam one button and fall asleep halfway.
My point is that with intellect stacked my problems appear when I'm not able to stop spamming Holy Lights to perform simple and quick tasks such as refreshing Judgements of the Pure, Sacred Shield, ..., without fearing a dead tank.
In fights where I actually have to move and, by necessity, end up doing pretty much everything reactively during that time, crit+haste saves my day and intellect just means I'm sitting in a 75% mana pool with a dead tank/assignement (with people asking me on ventrilo "Why did the tank die?" and my answer is "I had to move.").
Considering holistically the boss encounters I've been in, instead of picking a specific fight or two, I would say crit+haste make me a better healer than having a quasi-infinite mana pool. My view is that what is important for me, as a Holy Paladin, isn't how long I can heal (realistically, I'm never out of mana when it really matters even without stacking intellect) but how much I can heal during critical moments.
I am going to say... hogwash
Once you have had about 5 pulls on new encounter, you should know the pacing of the healing needed.
For example, on Sarth tank (3d), only time I need HL is when Sarth breath is buffed. Rest of the time, SS, FoL and HS are more than enough to handle that damage.
Same crap was spewed on Brutallus, only time one needed HL there was for Stomp. You got a big ole timer that said when it was coming, about 2 seconds before it, cycle over to HL. Then cycle back to FoL after stomp dropped.
Patch is a complete joke, 2 holy paladins could heal it. One start the fight and other come in as the first hit about 4-5k mana.
All readers, aka not directed at poster I quoted
So the real question is, why are holy paladins "spamming" HL when its not needed? All you have managed to do is put us in the same position as priests pre-3.0.8. Blizzard will swing the nerf bat hard on regen because you all are abusing mechanics due to what? Laziness?
Bat is coming, question is, how many of you will survive when you can't spam HL?