Except, you know, affliction is better at literally every fight style and destro probably is too. Seriously, affliction can compete with demo in patchwerk fights and absolutely dismantles demo at every other type of fight.
It's a poorly designed spec dude, there's no saving grace. It's just flat out worse than the other specs in every situation and it isn't even fun to play.
Goroth is probably the one fight you'd expect demo to be the best on, but even there it's worse:
https://www.warcraftlogs.com/ranking...lock&boss=2032