[lawtguy]

> In addition to this, they all pay employees, which contribute even more tax money to the system (which is never discussed in articles like this).

Generally, the taxes other people pay on your expenditures doesn't count towards your taxes. I can't claim the taxes Walmart pays on the money I spent on groceries. Similarly, business owners can't claim the taxes their employees pay on their salaries.

If you are suggesting that we tax rich people less so they can spend more money, this is supply side economics (https://en.wikipedia.org/wiki/Supply-side_economics). The US been experimenting with this for the last 30+ years and it largely doesn't result in more taxes paid or better GDP growth.