This is the same Switzerland that still has it's own Safe Harbour agreement in force. It was originally meant to reflect the situation at the EU level, but nothing has changed since the Schrems court ruling and it's still on the books.
And the ICO refuse to do anything about UK data exported to the US without any legal basis with regards to UK/EU law if it's first exported to Switzerland first.
https://twitter.com/patrickseurre/status/743111972703592448
Just look at the games Deep Mind have already played with access to NHS patient data (without consent of the patients)