Android 9 and 10 has multi-user. And if you take into account the "lending phones to kids" scenario it gets worse because that just means that when your 4yro k

Android 9 and 10 has multi-user. And if you take into account the "lending phones to kids" scenario it gets worse because that just means that when your 4yro kid gets your phone they can irrecoverably delete all your messages, simply by playing around with it.