A prudent strategy would be to demand an end to the US policy of using its enormous military to constantly threaten, invade, and coerce foreign nations. Fortunately, a military like that is unlikely to cost a trillion dollars per year.
Spending has gone up relentlessly since Republicans gained control of both the White House in Congress in 2016. The Democratic takeover of the House has, not surprisingly, done nothing to stop the spending juggernaut.
We can't just assume "public goods" like national defense benefit everyone. They come with real costs, and all the "services" that fall under the category of national defense are certainly not of equal use or benefit.
People do not save and accumulate capital because there is interest. Interest is neither the impetus to saving nor the reward or the compensation granted for abstaining from immediate consumption. It is the ratio in the mutual valuation of present goods as against future goods.