... because we looked the other way while the government ignored the inconvenience of Article 1, Section 10 of the constitution.
Over time the result was inevitable.
Those smart guys who assembled the constitution discussed all of this for two years or so before instituting the best solution possible.
They understood the dangers of uncontrolled government spending.
June 28, 2012: the day the American republic died.
Uncontrolled, unaccountable government spending + Graduated income-tax = SLAVERY