The armed teenagers thing is bullshit and you know it. Germany didn't start arming kids and the elderly to go into battle until the last two or three months of the war with Berlin under siege. They called that militia the Volkssturm.
The Volksgrenadiers were perfectly capable combat units made from veterans and "jobless" military personnel like the Luftwafffe and Kriegsmarine. With the navy in shambles irrelevant and the air force in not much better condition. These were professional soldiers put into smaller squads with a higher amount of automatic weapons and panzerfausts.
Also a recovered casualty is just that. Recovered, no different than a fresh soldier other than he has experience and has survived once before already.
The biggest shortage in supplies was a lack of petrol to keep vehicles running, munitions and whatnot kept running through to the end of the war.
errm, actually, it kind of started earlier, since soviets were advancing so fast.
Even jobless military personnels were significantly inferior to the standard landser fighting since the beginning.
If i remember right, they were also drafting foreign workers into formations at some point.
But from Bagration onward, there was a noticeable decline in quality.
Someone wants to tade falls for shocks ? i'd make that deal, being deadly at all ranges beats being deadly only in spitting range.
Soviets very often have to assault axis position, and axis have great long range and short range firepower due to omnipresent automatic weapons for them and not as many ppsh as there should be.
Also, like several Axis squads, they shoot in a kind of goofy way, as if their guns were bullet hoses without recoil. Meanwhile, ppsh seem to fire in urst