so the large majority of people who play mw yea?The Last One. The Argus. Not a single MW in strong guilds will achieve that before nerfs of heavy overgearing (like 965+).
I mean you could rephrase this rant as "resto druids suck" and all your points would be equally true, yet you don't see people complaining that resto druid is in a bad spot. mmo-c rants xd
given blizzard's track record, it is extremely likely that the boss will be altered to require more healing, and lowering the dps check, forcing 4-5 healers.