23%?
A bit excessive. Consumptio, other than essential articles would fall off significantly and hurts the folks most in need of tax relief - the low to ultra-low income earners.
The law of un-intended consequences would take hold in a HUGH and SERIES way.
Notwithstanding a reduction in spending, the economic picture for an nrst is great - if that money isn't spent, where is it?
Traditionally US folks think spending is the only way to stimulate economic growth - not so.