The single reason for war hysteria switching to wartime propaganda mode is the need for war. Anglo-Saxon world is bankrupt. They need war to write off the mountains of non-performing debt. However, if there is a war it won't be the one they need! At the end they will have to pay back everything they owe to the rest of the world. Germany and France must be very careful not to side with the warmongers!
Once upon a time, when I was a 5th year student, I had an introductory course on military strategy, so I have some idea of the modern realities of a conflict of this magnitude. I also fully agree that Germany and France need to be careful, but I'm not sure if the new German chancellor understands that in the event of a conflict, all of Europe and not the United States will be on fire
(since Russia will be very determined because, as history shows, to fight she knows better than to run a business).The irony is that if the US wants to stay on top, then it does not need a weak Russia, as its weakening would threaten US geopolitical parity over China. Also, don't forget that Russia is the only country that has always sided with the US when it comes to talking about new members joining the nuclear club. Also keep in mind that Russia's economic problems in the face of tough sanctions will lead to a very long stagnation throughout Europe.