Biden can't even warmonger properly lmao. Looks like Zelensky and Ukraine could be turning away from US and opening up some diplomatic channels with Russia.
US tried so hard to make this into a war but everyone seems to be getting sick of their sundowning ramblings.
The answer is honestly very long and complicated, especially because it's likely a combination of many factors, ranging from lead exposure, to nepotism, to complacency, to culture... you could easily write a thesis on this, or even one aspect of it.