Earlier quoted context omitted.
A flat tax rate is not a good idea whatsoever; if you tax e.g. 20% of earnings ,do you believe people who earn $30k a year are impacted the same way as people earning $200k or more? Sure, those who earn more pay more, but it hits them in "extra" earnings, while the poor are taxed on money they need to survive. A (very) progressive tax rate with a few ways of reducing the tax based on social (e.g. number of children,…
A flat tax you only start paying above a certain threshold then? For sake of argument everything under 20k is tax free, you pay flat tax on everything above? Problem solved?
Remember that Flat Tax is also called Fair Tax. The concept of fairness is central.