"If you're not present and contributing to a society, in my view, you should absolutely not have a say in the governance of that society. In fact, I find the idea abhorrent."

Then perhaps folks living internationally shouldn't be taxed. the truth of the matter is that living elsewhere doesn't release you from being taxed or filing tax returns: Folks in high-tax countries won't get additional tax, but folks in cheap places do.

I'll add that there are myriads of reasons folks won't pay taxes: Staying home to take care of children or parents is one of them.