I think valid points are with difficulty but even the difficult content people have been caught using tools to make it "easier". No matter what they do or change people will say it's too easy for everyone or too difficult (See Heavensward raid scene). I think the levels of normal, extreme, savage, ultimate is great because it forces you to get better either at your job or mechanics. Let players choose their comfort zone is my vote. Let the casual players that enjoy the story enjoy the story. And let the hard core raiders get through the "easy content" to enjoy their pace.