For the thin margins, imagine a company that makes 2%. But they pay 30% tax. Suddenly they’re at a loss on every sale due to tax. So thry raise price. Except every component in their chain alos does this.
You’d probably also see a lot more vertical integration. No sale, no tax. Whereas separated companies have to pay tax every time thry deal withan outside company.
But the world is not vertically integrated. So this tax plan wouldmforce america to drop best practices and go for extremely inefficient methods.
Your plan for fairness would almost certainly destroy the economy.