I think the prevalance of Grand Offensive has a lot less to do with OKW than it has to to with the IS-2.
The IS-2 has 375 armour, which means only other heavies and the Panther are effective against it.
In a meta where the IS-2 has a habit of being the first built vehicle larger than a T-70, the Tiger is going to be favoured: for a relatively small premium over the Panther you get potent manpower bleed too. Nobody's going to go Panther against the IS-2 if they've got a Tiger.
The problem isn't OKW's nondoc roster, it's that the 1v1 heavy tank rush meta hasn't been successfully killed off yet and the best counter to a heavy right now is another heavy. Until it is, you're going to keep seeing Grand Offensive.
I am not sure about that since C.Panther is probably better at dealing with IS-2 than the tiger,
especially with the mark target. Yet the commander was not picked a single time.That is an indicator of much how more powerful a main battle tank (all around unit) is, than a "specialized" unit, a problem that also seems to exist in Ostheer T4.
And what happened if you didn't go Panic Panther in the last meta?
You'd get whacked in the face with a techless heavy.
My point was basically since OKW have been choosing specific commander for years it is difficult to talk about their balance state. Commander choice might be easily hiding balance issues like the one you mentioned.
It's the same problem we've had for a year: stalling for heavies works, so the 1v1 degenerates into heavy tank standoffs.
I'm starting to think the only solution is to make heavy stalling completely unviable. The very existence of that strategy kills off so many others.
Now that sound a bit too drastic.
Imo there other issues. There has been a trend of allowing continuously higher power level units earlier in the game and has been driving continuous buff to numerous units. Imo this a bad direction since the game pace has been faster and now as you say we have ended up in the strongest of this units (Super heavy tank) stand off.
At this point I have to point out that Super heavies did not only become available allot earlier as I had pointed out (the point most people focus in) but allot more lethal with the new AOE profiles.
But there are number of solution to this issue like:
Slowing the pace of the game
Allowing longer windows of opportunity for each phase of the game
Redesigning Super heavy (some other units) to have less shock value and more sustain impact by Moving their power level to veterancy instead of base stats.
For example one could move allot of the IS-2 armor to vet bonuses instead of a base stat. The unit would still keep its "character" but is would have less shock value and allow opponent more time to prepare to deal with it.
What worries me, are the leaks that MOD is actually considering going the opposite route and lowering the vet bonuses of these units instead of lowering the base stats thus they seem to want to keep the shock value of these unit high.