Lately I have been going heavy Kreigsmarine. 1 Carrier is silly if you don’t reinforce it. 2 Carriers, 4 Fighters, 2 submarines, maybe another transport in there, now you are forcing England to build navy, not ground forces. That’s almost the equivalent of removing one power from the game right there.
In reguards to the Russian Winter N/A, I was thinking if the winter is so restricting why not limit the movement all ground units to one. It might make the N/A a little more potenet but I do not think out of the relm of plausable.
I think the 3 in defense for infantry is better than your idea. Why do you think the opposite?