If you nerf OS you have to buff the other OKW infantry. Volksgrens have been nerfed while Rifles win on mid, short and even if rushing through negative cover.
You'd played alpha, you'd knew volks got buffed.
Volks are not meant to go toe to toe with rifles, no, that doesn't mean they are bad.
Use Kubels or sturmpios to support them, then you'll win engagements.
USF have most expensive and best core infantry and volkspam works only against soviets, deal with it.