If i'm playing aggro, I always concede against quest priest and CW and did in previous meta too, but since I ran into them quite a bit today I changed to midrange. Priest is being played a lot at the moment, which might be due to the new changes to the basic set.
Thing is you should be beating these decks on a good draw. CW and Quest Priest can get a bad draw against aggro and lose hard. Even if you spend 3 turns to see if you can keep a board or go face I think it's worth it to play for 5 minutes.
You could have a 70% winrate but only getting about 60% because you're auto losing before you even see your first few cards.
You're not really saving that much time by auto losing. I'd like to see the numbers.
I think I have a solid 20% against res priest with face hunter, while with midrange it's a close match up, CW is quite rare, but with Dr.Boom unerfed I just don't like my chances. You are right though maybe I should see the first turns how the match plays out since there is always a small chance that they have a bad draw.
EDIT: and i despise res priest as a deck so I would just rather not play against it with anything, let alone with a deck that needs really good RNG to beat it.
Would you rather play against scam mage/rogue and think you have better chances? Maybe you're just not playing at the higher ranks, because these decks are Pure Cancer.