Your proposal is unfair because it lets poor people mooch off everybody else. What would be fair is if everybody pays exactly the same amount of tax. (If that

Your proposal is unfair because it lets poor people mooch off everybody else. What would be fair is if everybody pays exactly the same amount of tax. (If that seems impractical, cap it at 50% of income and treat the unpaid portion as debt, to be paid back later, with interest.)