They are not inclined to voluntarily surrender what they believe is rightfully theirs. That way, everybody's happy. Power centers keep their power. Centers of production keep producing. Consumers keep consuming.
Money keeps circulating.
In fact, so far, we haven't repaid the loans. We just keep borrowing more. Notwithstanding historical textbooks, it was unrestrained borrowing that brought down the Ancien Regime. But as the principal balance rises, the interest burden also rises. Sooner or later, the truth will out.