You seem to be arguing that the same principles of government should apply at every scale. I don't think that can work. Should the small town consider purchasing a couple B2 bombers? Should the national government decide if my road needs to be repaved?

The plan we are discussing is a plan for national scale governance, and since your example is not on a national scale, the plan would not apply. If the isolated town wishes to enact their own laws to regulate Walmart, they may do so.

The locals may govern themselves locally. National leaders govern on a national scale.