I don't know how financialization fits with respect to trick down economics. Particularly consumer financialization. They both seem to accelerate winner-takes-all processes.

I just (re)learned, via Against The Rules podcast, that repealing prohibitions against usury debt was an important deflection point. Here's an apparently good writeup about South Dakota, Citibank, and credit cards:

https://www.pbs.org/wgbh/pages/frontline/shows/credit/more/r...

https://atrpodcast.com