DVPGSR
That is where the problem lies. The less money you make, the greater percent of your total income goes to the govt in one form or another, just for the things that everyone needs: Gas, Driver's liscence, electricity, phone... The taxes on basic necessities of life, make percent based income tax reduction unfair to those with less income.
If you make 20k a year, 45% of your total income may go to the govt, even though you are in a lower income tax bracket. If you make 200k a year, maybe it is 34%