This really should be front and centre of the discussion. They complied with a valid Swiss court order, as stated on their ToS.
The account holders opsec is the issue if they required full anonymity (possible? Another discussion).
This whole thing is the same as the statement "Your VPN provider won't go to jail for your $5".
If they were served with an administrative warrant from an out of jurisdiction LEA and complied, then WAY more to be upset over.