WHY THE FUCK IS THE HETZER 4.3

It has 60mm of armor, Incredibly sloped, makes it impenetrable even at 5.3, has a decent mobility and the same gun as the Panzer IV H, How the fuck gaijin allows it to be 4.3

It has 60mm of armor, Incredibly sloped, makes it impenetrable even at 5.3, has a decent mobility and the same gun as the Panzer IV H, How the fuck gaijin allows it to be 4.3