The differences this time around seems to be in:
a, how easy the meta is to use and how almost-effortlessly it “raises all boats” so to speak.
b, how much higher keys people are expected to do this time around (because of the Crests).
In any case we’ve never really seen it this lopsided before (to the point that as I’ve mentioned, I’m not even sure if I should take my level 60 shaman into Dragonflight, or would I be better off shelving her to alt status and leveling my level 6 priest instead, especially when I work a schedule that means raiding is a unicorn and more likely than not I won’t get to do much other than some M+).