"Trickle down" is the political synthesis of the Chicago School of economics, largely invented by https://en.wikipedia.org/wiki/Milton_Friedman , and the existing authoritarian built in the Republican Party.

Remember that their counter-argument is that giving money to people who don't deserve it (proven because they are not the elite) is a waste because they don't "build" anything with it, since they need to spend it.

The value of this proposition is to build concentrations of wealth, which are their own proof of virtue.

The religious expression of this is the Prosperity Gospel https://en.wikipedia.org/wiki/Prosperity_theology .