Priest has always been the combo class. This is not a new development.
Sometimes it gets the tools for control, but that's not the default state. With no evergreen board clears, you can't claim control is its identity.
Pffff, because only evergreens dictate identity? That is ridiculous. It's identity is whatever Blizzard decides it is at the time.
Pretty much, Blizzard has stated multiple times that they don't like DS/IF combo still Priest gets away with some kind of DS/IF deck every expansion because those cards are in evergreen set, not because Blizzard likes that combo.