We're giving out secondhand equipment to NATO allies who then pass on last gen stuff to the Ukrainians. The destruction we are inflicting on Russia is so cost-efficient it's practically free. Not to mention all of the MIC deals it's generated for the US after the world learned how hard our weapons slap.

Chances are you'll die much younger and much poorer because of it, so you might want to care.

Education and available contraception, with those our population will plateau to a manageable level rather than overshoot and crash in massive death.