[palata]

In my experience, people who use Signal usually also have WhatsApp. It's really mostly that many people absolutely refuse to install Signal on their phone. Like they have all sorts of apps (including social networks that are sometimes downright malware), but they will fight against Signal for some reason I don't understand.

[oqy]

The reason is simple: Comfort. They simply prefer not to have the mental load of multiple channels, albeit at some cost.

That's the appeal of software like Beeper&Co.