Anytime you write something on your device that is connected to the internet you are making your statement and sometimes things about yourself public, including FT posts.

Different people from different demographics, culture or region view the issue of privacy differently.

How does one know that Apple is not collecting information about the iOS users?

There would be some kind of compromise when using a communications channel that is easiest for the whole group/organization/family. If anyone in the group feels not comfortable using that channel they have the right not to use it knowing the might mean not getting any information from the group.

As for me, WhatsApp and WeChat work great due to my travels to many different countries. My WhatsApp and WeChat account is a true "one number" solution for keeping in touch worldwide, ID'd to your device and not the SIMs.

Has anyone came across this tip:
I have multiple email account on gmail, my main name plus many different version with [email protected].