I agree, but that doesn't seem particularly relevant. The system in question would generate significant revenue shortfall if that fellow's comments are accurate

I agree, but that doesn't seem particularly relevant. The system in question would generate significant revenue shortfall if that fellow's comments are accurate. Typically in public policy we make plans for these kinds of scenarios, instead of just assuming that Future Murika will have a tax base robust enough to pilfer from and a political scenario permitting us to actually legislate. On the other hand, that strategy is working fine for Twitter...