Interest will stimulate relevancy. Keynes' economic theory was a revolution. 5050 along with Keynes' The General Theory of Employment, Interest, and Money . Nothing like a rural Wisconsin childhood and one-room schoolhouse education to achieve motivation without bribes or the whip. My beliefs have grown and matured over the years.
Tradeoffs are grist for the mill of economics.
The metaphysical tradeoff between free will and determinism is neatly illustrated by Kurt Vonnegut in Slaughterhouse-Five . All time is all time. It does not change. It does not lend itself to warnings or explanations. It simply is .