You are rebutting points I haven't made, and that are tangential at best to the OP.
Whether tariffs "work" depends on who is using them, and with what end in mind. We could trade historical examples and future scenarios all day, but they would be irrelevant to the OP.
My point remains: tariffs require no more State power than is already required to secure a territory, or even, if low enough, just its major logistical hubs.
All other forms of taxation require more pervasive State information-gathering, bureaucracy, and threat or use violence.
But since you have both, you will have both forms of surveillance. They don't spy on you less when income tax is 10% less. As far as privacy is concerned, it's better to have full income tax and no tariffs than 10% less income tax with the rest in tariffs. And as opposed to income tax, the surveillance and imposition from tariffs scale with the amount. The more tariffs you have from more locations and product categories, the more nosy border patrol and customs will be, questioning your personal belongings and anything you bring with you.
This is not to mention that they are economically terrible for everything they propose to fix. Even if you believe the purported goals they are taxing everyone to save a few thousand jobs in some swing states. It's a terrible deal all round.
I strongly disagree on the desirability of a "full income tax" being preferable to anything. Income tax is the most intrusive of the taxes, and the strongest disincentive to productivity.
When State bureacracies were weaker and less pervasive, they didn't charge income tax because they couldn't.
Bitcoin circular economies, if established, will make income tax collection hard again. Governments will lean back into easier-to-collect taxes. I'd like to put a stop to that, too, but one marathon at a time...
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