First, I’m not with Steinberg and i’m just another very satisfied Dorico user from V1 on. Second, personally I do not need an audio track import feature, so I could ask: why should I pay for it?
I do respect, that other users are requesting it and that Steinberg might implement other features first, although I’d like to have other ones implemented. Personally, I prefer having such a solid program as Dorico is (even if some features are still missing) over having quick-and-dirty solutions. Being a programmer myself, I do know, that good things take time.