The unit should have some role and use. Right now Conscripts are just bleeding your MP and loosing every single mid- or late-game engagement unless they outnumber their opponents 3:1. I do agree that STG Volks and LMG Grens should beat them overall but just leaving Cons as they are is surely no option right? Maybe make the PPSH upgrade non-doctrinal and replace the doctrinal PPSH with something better? Like the Guards LMGs?
conscripts vs Grenadier are fine live. (again a bit faster molotov) Ostheer bleed more than Soviets
Conscripts vs V.G. is bad but that is problem with V.G.s and not conscripts.
If conscripts need need buff they should come via making buildings so that one would have to choose between relying om call-in or stock units.
For instance the first building could give you x1.02 accuracy second another x1.02 third x1.04 fourth x1.06 (for a total of around 1.15 accuracy).