But the balance team have some creative freedom with changing the doctrine. They could even make a unique Bren/Vickers profile from the HT that is more like the BAR and a assault weapon.
Well since mp40 volks are hard countered by good mg play, in theory the Hetzer is there in turn to counter support weapons play. The problem is that 60range AT guns and enemy tanks can abuse it easily. If you add 5 more range it can do its job more safely, which helps it survive and be more viable.