What sober military men in potential adversary countries across the globe see is that Russia has, with one hand tied behind its back, eviscerated the massive, relatively well-armed and well-trained Ukraine military. The US intimidation factor has been forever compromised.
Some interesting analysis. It'll be poo-pooed by the likely suspects... but they are fundamentally unserious people.
Another good thread to read is this one on The Strategic Irrelevance of Kiev. The strategy recalls the US Civil War.