What’s the conclusion here? Basically, the last paragraph says pundits should talk to different sources, and that they should “keep the interests of the nation” in mind. He concludes by saying some vaguely ominous thing about politics not mattering if America “goes down”. So all in all, the thesis of the piece is that no one knows how or why defense contractors are spending a significant fraction of American GDP. But…
The conclusion here is that American military might is definitely, definitely, definitely not on the wane, or engaged in asymmetric warfare the narrative class tricked us into believing to be backwards religious zealots with no hope of ever playing on the global stage, and that this new multipolar world is fake Russian news.
I don't think anyone thinks American military might is on the wane. The blog post is very clear that given the info people knew at the time, the ineffectiveness of missle defense systems was reasonable to believe in...
But America's war record in the past few decades shows that might alone cannot win wars. And given that our might is high and our strategy has been a bit poor, it's not insane for people to want to spend less money and time on the former and more on the latter...