To solve all this, it's pretty simple, and the U.S. actually used to do it: heavily tax the super rich. Heavy taxation and then appropriate use of those funds for education, R&D funding, infrastructure, etc. is actual trickle-down economics. And mega corporations should be heavily taxed instead of holding the country economically hostage. They jumpstart their companies off of government funding and R&D and then act a…
But tell me, how are you going to tax the super rich? It's incredibly difficult to tax someone who's actually poor on paper. Most super rich people actually don't seem to have much wealth officially declared, all of their wealth is sort of like "pseudo" in that it's all tied up in assets, and sometimes assets that aren't directly owned by them but their companies etc. and they have a lot of shortcuts for tax breaks o…
Some rich person says “teehee, I actually have no money! It’s all in (some country)!” and the US gov says “oops! Guess you really are poor!”
They take a letter of the law instead of a spirit of the law approach with taxes. If they start seizing mansions because clearly they have no money and the only way they could afford it is through ill-gotten means, people will start paying. Police already take cash from the wallets of random people because they assume it’s illegal—meanwhile the IRS knows full well where your money comes from but they pretend to believe the tricks of the mega rich.
Plus the IRS literally have access to banks around the world. You’re required to give them proof of foreign bank accounts or face imprisonment and other countries comply with IRS requests. They can literally seize wealth and know it’s yours. They choose not to.