Windows has a lot of users just because they're familiar with it.
The same goes for Debian derivatives. A lot of people's first Linux distro is Ubuntu, so they get familiar with apt and don't have a compelling reason to use anything else.
I'm a perfect example. The second package-manager I really interacted with was Alpine's "apk", and that's only because I've been working with Docker pretty extensively over the last year.
Windows has a lot of users just because they're familiar with it.
The same goes for Debian derivatives. A lot of people's first Linux distro is Ubuntu, so they get familiar with apt and don't have a compelling reason to use anything else.
I'm a perfect example. The second package-manager I really interacted with was Alpine's "apk", and that's only because I've been working with Docker pretty extensively over the last year.