It's true that free trade is hugely beneficial to the US economy as a whole, particularly with the USD being the reserve currency. The flow of goods is balanced by a flow of US dollars to other countries, which are ultimately cycled back into the US financial system - enabling budget deficits and an abundance of capital to invest in high growth industries. The flip side of this is that it also drives inequality - the…
People don't realize this but China is moving toward Service-based, naturally, as they raised their standard of living, thus education.
What's missing is not raising tax on Income but taxing Wealth: the super rich has their wealth sitting and growing unproductively (house appreciating is not productive, buying farm lands and rent it to other farmer isn't productive). Holding Limited version of a Ferrari isn't productive. Feel free to find other Assets.
Once the super rich completed their journey in this world, they will inherit billions to their kids, whose productivity output does not match the wealth they inherited, again, not productive.
Tax their Wealth.