I mean I can go back and fourth all day with asymmetrically balanced things. Pfusi for example in the test mod. They're "doctrinal" yet they're trash tier without upgrades. Doctrinal =/= OP AF.
The point is, HE sherman doesn't need an HP and armor boost, not while jackson is curb stomping anything and everything and 2x scotts are near undefeatable.
Shouldn't they be better now they arrive early and you don't need to build Volks to get munitions for their upgrade? Heck, they even kinda nerfed the shreck rush taking Tactical Movement away.
USF stock lategame is good now, nothing wrong with that, pretty sure they teased it would get nerfed in the future. At least the Jackson, just not now, hang in there.