How might we use the trillions of dollars spent on the military for education, healthcare, retirement and other betterment initiatives for U.S. citizens? If hypothetically all nations agreed on world peace, then having a military becomes superfluous but the would-be soldiers can find other meaningful professions in society rather than being soldiers.
Again I'm not against supporting parents. Just when there's immarginal benefits being conferred, that are not available to non-parents.