[Spooky23]

Maybe. But at that time, the population of Germany was malnourished and short of food, fuel and other commodities. Civilian death rates began to increase.

So like our plague deniers today, some people probably deluded themselves into believing victory was near. But I’m sure most knew it wasn’t going well.

[vkou]

Given that the press was only allowed to publish positive propaganda about the state of the war effort, all of that could have be explained away as some temporary supply disruption.