And again, they were obliged by law.
If the only defense a company has for giving away information about (paying!) customers to an agency of a fascist country known for disappearing people is "I was just obeying orders!", may I remind you of the Nuremberg Trials. But, well, I guess there's nothing better to expect from Proton on that end. The Swiss were, after all, well-known for taking all that Nazi gold without any complaints.
Just follow orders, like a good soldier.