Switzerland ranks as the smartest European country, scoring 81.1 out of 100 . https://www.eureporter.co/education/2024/02/02/the-top-15-smartest-european-countries-belgium-ranks-seventh/
Ask them what's happening in their private banks
Someone has to keep all that dirty money. Might as well leave it with some smart people. That's also old news. A lot has changed in Swiss banking practices in the last 10-15 years.
TL/DR, You have no clue