True & True. But Hitler being Hitler he couldn't see it.
Germany actually produced many times more raw materials in WW2 than the Soviets did.
Production of steel in 1942 (million metric tons):
Germany = 32.1
Soviet Union = 8.1
Production of steel in 1943 (million metric tons):
Germany = 34.6
Soviet Union = 8.5
Production of aluminum in 1942 (thousand metric tons):
Germany = 264.0
Soviet Union = 51.7
Production of aluminum in 1943 (thousand metric tons):
Germany = 250.0
Soviet Union = 62.3
Production of coal in 1942 (million metric tons):
Germany = 513.1
Soviet Union = 75.5
Production of coal in 1943 (million metric tons):
Germany = 521.4
Soviet Union = 93.1