> their mission to better privacy
To some degree, they ruined privacy because of unnecessary phone number KYC, which is vulnerable to a whole bunch of creepy attacks.
Knowing one's number is almost identical to *at least* knowing one's location if an attacker has dev access to SS7. GrapheneOS or some trusted paranoid mobile phone operator won't help.
https://youtu.be/wVyu7NB7W6Y?t=843s