In theory I agree, but that's assuming an electorate that is educated on all issues and that will never happen. I am in no way qualified to have a say or opinion on tariffs of tea leaves from China, nor do I want to be. At some point we have to rely on people knowledgeable in fields other than our own.
As for cutting military spending - would the world be a better place if everyone did that? Absolutely. But it wouldn't work unless everyone did that, and that will never happen (unfortunately).
And don't even get me started on the debt.....sigh