Look, we tried trickle-down economics for over forty years. It simply didn’t work. The national debt exploded and nothing trickled-down, so now we move on.
Stimulating the economy from the bottom up is clearly more effective. A rising tide should lift all boats, not just yachts.
https://www.cbsnews.com/news/tax-cuts-rich-50-years-no-trickle-down/
50 years of tax cuts for the rich failed to trickle down, economics study says
Tax cuts for the wealthy didn't boost the economies of the U.S. and 17 other countries — but they did worsen income inequality.