I don't think this is a fair analogy. You don't pay the post office a flat fee for the ability to receive all packages, but from my perspective that's exactly

I don't think this is a fair analogy. You don't pay the post office a flat fee for the ability to receive all packages, but from my perspective that's exactly what I pay my ISP for. Granted you do pay the post office in the form of taxes, but IMO that situation is different enough to make for a very poor analogy.