> So you have to find a job and a house in Cyprus

I think Eric Schmidt can afford that

> you know that you pay taxes on the country you live & work in

Yes, I know this. I live abroad.

Yes, every country has taxes. The tax rates are not the same. Additionally, countries like Singapore have zero capital gains tax. Executives can just take a symbolic job and pay themselves a symbolic salary, but they're not getting rich off their salaries