According to this[1] Twitter thread, it's a matter of convenience outweighing security. Phones keep the encryption keys used for most apps in memory so the apps

According to this[1] Twitter thread, it's a matter of convenience outweighing security. Phones keep the encryption keys used for most apps in memory so the apps can do background work while the phone is locked. [1] https://twitter.com/matthew_d_green/status/1341746171220537344 https://twitter.com/matthew_d_green/status/13417461712205373...