I didn't say it wouldn't benifit from a buff, but saying "but X faction can..." is shitty reasoning.
One might argue that it's OK for ost armor to have more leeway for saving the unit because their infantry lack that luxury, not a trait that Soviet have in common with them.
There isn't a good God damn reason in hell the kv needs smoke. It'll just make it cheesy to appease those that can't keep a bloody quick, highly armored, high health pool tank alive and reduce the value of micro/skil based play to help those that can't actually play not improve.
Are you seriously calling the KV1 a quick tank? Holy fuck.