Hi, my wife decided to create a new email for our newborn daughter which my wife would use to send updates to our relatives about what is going on in our daughter life. My wife is using gmail, I do use proton. She has created a new gmail account but I have asked her to reconsider and to create a new account on proton privacy wise. What arguments would you use for my case? Thanks.
This is just called actually understanding your threat model and fully evaluating the controls available to you. Basic information security.
The most secure password policy in the world doesn’t matter if your users just write them down on sticky notes on their desks. Security on your end doesn’t matter if you’re sending the data to an insecure destination.
Same concepts apply to privacy.