You could ask this about every user of every large cloud service provider, which is why they all refuses to implement E2E, or store the keys [4].

The government has their hands in all of them, using "national security" as the justification, with threats if they don't comply [1][2], with the alternative being to shut down [3].

Does it prevent harm? Probably.

[1] https://sg.news.yahoo.com/yahoo-ceo-fears-defying-nsa-could-...

[2] https://lieu.house.gov/media-center/in-the-news/report-yahoo...

[3] https://www.crn.com/news/security/240159745/two-email-provid...

[4] https://www.forbes.com/sites/thomasbrewster/2026/01/22/micro...