> Most people are not in Signal
So what? WhatsApp is end-to-end encrypted. Signal is better (e.g. because the client is open source), but security is a gradient. WhatsApp is better than Telegram in terms of security.
> but then install Google Maps
Again, it's a gradient. Sure, they leak some data, but at least they don't leak all the content of all their messages. Or would you say that if you leak your name on the Internet, you may as well publish your sextape because "now everybody knows your name, you have nothing to hide anymore"?
> How many managers are uploading Excel sheets?
So because my company leaks my work documents to Microsoft means that I should leak the content of the messages I send to my partner? How do you get to that conclusion?
> finally govt will lose their passport database and ...
Right. And it is a known fact that when the government loses their passport database, suddenly your private pictures appear on the public Internet! /s