The US, by all evidence, spends more on its non-universal, gap-prone, healthcare system than any reasonable (single-payer, government-provided, or mostly private insurance with universal guarantee) universal healthcare system would cost; the US spends ludicrously more than any other country per capita, and much more than most universal systems on a per GDP basis (heck, the government side of the US system alone costs a greater share of GDP than some universal systems, and more per capita than basically any of them, even without counting the larger private side.)
The US doesn't deny local citizens healthcare so that some people far away can be blown up. If anything, it limits its ability to blow people up far away with all the extra money it is spending locally to prevent people from getting healthcare.
But the US has lots of money, so it still finds quite a bit for blowing people up far away.
The US has a critical case of NIH syndrome. Nothing any other country in the world does can possibly work here regardless of how much evidence because the US is a special snowflake of a country that has black people and rural areas and no other country in the world could possibly comprehend our struggles.
The US doesn't deny local citizens healthcare so that some people far away can be blown up. If anything, it limits its ability to blow people up far away with all the extra money it is spending locally to prevent people from getting healthcare.
But the US has lots of money, so it still finds quite a bit for blowing people up far away.