The truth of the matter of is that stimulus money not only doesn't stimulate; it actually reduces output.

Summary

This quote suggests that giving out stimulus money does not have the intended effect of boosting the economy, but instead, it hampers economic growth. It implies that government-funded stimulus measures create an artificial increase in output that is not sustainable in the long run. The quote implies that rather than stimulating economic activity, such interventions ultimately have a negative impact on the overall output of the economy.