And not that he did not participate and not even close to being in the war (Especially in Italy). Once again, this is nonsense. Today it is the Black Prince, tomorrow it is T-44, IS-3 and so on. All this just creates a precedent that the game would turn from a game based on the Second World War into a World of Tanks.
Loads of things in CoH are nonsense.
Tactical V2s, Ai pilot goliaths, sturmtiger barrages.
There's a clear purpose as to why they would allow parity in heavy tanks, given they are such a large part of the game's meta, and the allies did indeed build and test the vehicles (but never sent them anywhere)
The Russians already have a late war heavy tank in service, so there's no need to include anything that never saw service.