Goodbye IRS, goodbye tax liens, property confiscation and Inquisition-like audits. Goodbye long hours of tax form preparation and sweating wondering whether you goofed somewhere deep in that arcane and byzantine form.
Why would the government need to know my income if it wasn't collecting taxes on it?
Unless there's strict language that would limit the government to only knowing the purchase amount of any object and the subsequent tax, they'll know everything you buy under an NRST. They'd have to to be able to impliment any "audits" that are forthcoming...