Two games vs competent opponents (I'd definitely rate them as better than I skill-wise). Canister shells prove to be a great equalizer ofc, because who needs skill to point-click-wipe?
the faction is gonna be pretty bad in practice, I think
You have
sturmpios- expensive, no flamethrower
grenadiers- good late game, early on pretty subpar
120mm Mortar- good but very expensive
MG42- No comment
So you end up with a faction that's pretty much wehrmacht, but worse against any kind of garrison camping rifle/conspam with no flamethrower and an unaffordable mortar- and wehr already has a hard time vs that. Add to that an expensive light vehicle with little anti-infantry power and elite infantry that you have to tech for, unlike paratroopers or shocks- I think regular rifles to M20 or conspam to call-ins/T70 will beat this faction handily.
Since the Tiger seems to be a bit of a sore spot for a couple folks, here's an alternative example.
I chase an Ostwind with my Sherman. He ducks behind a building for a second and my Sherman loses direct line of sight to the target for a brief moment. It is in that split second my Sherman reloads. There is absolutely nothing I can do to make the Sherman keep the shot loaded until it rounds the corner instead of rotating its turret 90 degrees to take a potshot at a cache. My Sherman has to spend another 6 seconds reloading, the Ostwind blitzes away, I take a faust and I cannot pursue.
There is no micro in the game that can prevent that- the only way to stop the tank shooting is with ground attack, and you cannot ground attack and have the tank move and chase at the same time.
I'd actually prefer to see rifle company be allowed for the tournament, but have the veteran rifle call-in itself disallowed over the controversy about RNG(whoop-de-do, vet 2 rifle in house next to cutoff two minutes in, what are you supposed to do OR 300MP for a barely-vetted rifle, big deal). It wouldn't be a very strong doctrine, but it would still have a niche like mechanized/recon/other situational doctrines.