The silence of proton can only be interpreted to their disadvantage. This is not very smart and will make everyone doubt on them.

While I like the idea of a safe and uncompromising service, proton seems less so now.

Ladar Levison and Lavabit certainly earned themselves credibility there a dozen years or so back.

Sadly https://lavabit.com/ currently just says "We are not accepting new users at this time. Mail services remain online, while we work on improving our website code. "