They did not disclosing any content of any email. They disclosed the very little they have. Once they have been forced to log IP addresses and that was turned to law enforcement, another time they were forced to disclose a recovery email address. These facts if anything should help build trust in proton, as they show how little they collect and therefore can disclose. With signal is the same, they collect super minimal info (the time you last logged in and a couple more data points, I think), and that’s what they disclosed in the past.

It’s a non-news.