The Pershing was a heavy.
The US army at the time called it
a heavy.
In Korea it was classified as
a heavy.
The Pershing was designed as an answer to the Tiger I.
The M26 Pershing is a
heavy tank.
Actually, now that I think about it, there is something comparable to ERA. Ever heard of
Spaced Armor? ERA is designed to beat HEAT rounds by creating a gap between the projectile and the hull, thus rendering the molten copper cone less effective. The germans might not have designed their spaced armor that way, but there were attempts by all countries to defeat HEAT projectiles like Panzerfausts.
Sandbags,
wire mesh, you get the idea.
As someone getting a degree in history, specializing in military history, and being the resident expert for a number of small WWII quests... Git gud.
Why?
They still lost. It was't even an Iwo-Jima type victory where the US casualties outnumbered the enemy. They came with their best, and got their asses kicked. There really isn't a problem there.