It seems to me, sadly, once again the Republicans are turning to Trickledown Economics. It hasn't worked before and it will not work now. Just ask Kansas.... Sam Brownback was elected Governor along with a Republican Senate and House enacted into law as the first order of business.
Within 2 years the state was in trouble:
Sam Brownback's Tax-Cut Push Puts Kansas Out on Its Own - WSJ
It got worse, he doubled down then the legislature revolted.
https://www.forbes.com/sites/beltway.../#72ea48d5508f
It hasn't worked before and it will fail again!
COPUFF