So then building them as "network states" is a recognition that nation states have lost the control they had a century ago due to advances in technology and communications. Distance and locality isn't as important when the internet makes telepresence feasible.

Sort of, but both are pretty industry- and purpose-specific.

Also, aren’t dues typically either fixed amounts or a flat percentage? If you’re looking to emulate a government, I’d imagine you might also want progressive dues akin to progressive taxation.