US' GDP is ~$25T, world's GDP is ~$100T [0], so $400B in revenues are respectively 1.6% of US' GDP and 0.4% of the world's. Nothing near the 5% you're referring

US' GDP is ~$25T, world's GDP is ~$100T [0], so $400B in revenues are respectively 1.6% of US' GDP and 0.4% of the world's. Nothing near the 5% you're referring to. [0]: https://www.worldometers.info/gdp/gdp-by-country/ https://www.worldometers.info/gdp/gdp-by-country/