You have to be in the top 10% of salaries in the US to really see the difference of less taxes

that’s just not true at all. if you compare germany and france vs the US, someone making 67% of the average in the respective countries, the european will pay about 15% more of their income in labor taxes (before accounting for VAT!)

https://www.oecd.org/tax/tax-policy/taxing-wages-brochure.pdf

spill the beans

well one disadvantage is that it is much harder to get refried beans in europe