Can we ever play some affliction in the raid?

It’s my favorite spec, pretty much never viable, I played it in one patch since I joined in castle nathria, 4 years ago, since then it’s never the best for raiding and especially in single target encounters.
can we please play affliction again? it’s been forever already.

that’s exactly why I’m complaining, it’s performs worse and I’m in need of playing what’s best