You could take your analogy further, and consider why the Swiss banking isn’t so opaque anymore. Hint: people who did really inhuman things used that system to store their profits, and the Swiss society, developed and stable as it is, decided that they don’t want to bear the moral cost of it anymore.
The Swiss didn't vet their clients. If Vladimir Putin wants to contract a data centre on your soil for the privacy, you can always have regulations that say, "No.".
> Swiss society decided
Nice attempt at whitewashing and gaslighting, but the only entity here that decided that is the fucking US of A.
> ...decided that they don’t want to bear the moral cost of it anymore.
And of course the external pressure to loosen banking secrecy laws has been huge, particularly from the US e.g. https://en.wikipedia.org/wiki/UBS_tax_evasion_controversies