The soviet FHQ is outright broken on some maps, especially on maps with buildings that are near indestructible, it's a snowball effect, especially on narrow maps
And still high risk from allies.
Image you had 1-2 okw player with wehr together.
How to play vs it:
Mg42 with Wehrmacht mortar into Flamerhft
1 OKW heal so you can reinforce as well
1 Stuka for killing all units or the house