HistoryGeek2019 wrote:Not sure we're arguing the same point. My point is that the rate of casualties on the Eastern Front exceeded the ability of Germany to replace them throughout the entire war. Your point seems to be that Germany could have scraped together more reserves to throw into the front at one particular point in time (summer 1941) in the hope that this would have produced a knockout blow against the Soviet Union (over the course of a two year campaign in your ATL).
I read your first argument as "Germany couldn't replace the losses of Barbarossa (i.e. of 1941)." Given the evidence I've produced (Ostheer adding >2 million men between May '42 and July '43), I can't agree with that argument.
If you're instead saying that Germany couldn't replace the casualties of 4 years of Eastern Front fighting that was similar to OTL's then yes, that's obviously true.
And it's not just one point in time that the Ostheer could have been significantly stronger. It could have been amplified throughout '41 and '42 had better strategic decisions been taken (earlier induction of JG22, earlier substitution of UK-gestellen workers by foreign workers). You can call 41/42 "one point" but it's literally half the war.
A "surge" at a moment in time can't be analyzed linearly - it doesn't happen and then disappear without consequence. Additional German forces at any point - but especially in 41/42 - mean more encircled/destroyed Soviets, which means lower Ostheer losses (soldiers surrender instead of becoming bloody casualties with attendant attrition ratios), which means means better bloody casualty ratio (remember this is dynamic with force ratio, not fixed) and also means more encirclements.
...which, especially combined with greater Soviet losses, means lower Ostheer casualties, which means...
Everything is dynamic and can't be viewed in isolation.
HistoryGeek2019 wrote:Which is why your ATL has to result in the total defeat of the USSR by a certain date in order to result in a German victory. If the war in the east kept going, Germany would be drained of men.
Of course you're right that if the Eastern Front kept going **AS IN OTL** then Germany would be drained of men.
But to consider some continuation of Eastern Front fighting under my ATL's as basically the same thing as the latter stages of OTL Eastern Front is, I would argue, linear thinking.
If the SU suffers significantly more damage in an ATL '41 then German losses in both '41/'42 are significantly lower (easily 50% lower).
If the SU is then crippled in '42 (e.g. pushed back to the Urals), then German losses in '43 are a small fraction of OTL losses.
If the SU keeps fighting as a crippled secondary power in '43 (if it somehow replaces all its oil and doesn't starve) then in '43 it's driven into Central Siberia and is a Romania-level power.
By '44 the SU might still be fighting with a million or so men in its army, but to imagine such an "Eastern Front" as analytically similar to OTL's is missing the point.