Yeah, uh, here's the problem with that...
DoW/DoM's "endgame" at least kinda changes. Different classes w/ different playstyles and purpose, fights with different strategies, being able to interact with the 7 other people in your raid group, and so forth.
DoH/DoL endgame is pretty much the exact same as DoH at 53 when you get Precise Touch, but with higher material costs and gating. DoL endgame is uh... 99% identical to DoL at lvl 1... But with more running around and gating.

I guess that... fine... aside from that fact that the "fun factor" ratio is skewed out the wazoo. Under this implementation endgame crafting and gathering is not fun, but requires almost the same (or more) amount of WORK... not skill, WORK, as the combat endgame... Seems a bit strange no?