> There's already a central authority for most places - it's called Comcast/AT&T/Verizon and you don't even get a say in this authority's leadership (unlike government).
Not to contradict your basic point with a this, but, technically, you do: through government. Corporations are creatures of law, and their governance is ultimately itself governed by rules set by the chartering government, and further constrained by the governments of jurisdictions in which the corporation seeks permission to operate.