I think “popular” is stretching it here, Debian GNU/kFreeBSD is dead now, and while Hurd is interesting, it has ways to go.

Alpine is actually popular, particularly as a lightweight host OS to run docker.

You can have a Linux distro without GNU -Alpine Linux is a popular example

What is your source for this ? Recent polls show reunification support is still <2%, with about 6% open to reunification eventually but not now.

In 2018, before the crackdown in HK, the reunification support was 3%, with 13% open to it eventually - the events in HK have definitely significantly eroded support for reunification in Taiwan.

I have family in Taiwan and literally don’t know a single Taiwanese person that wants reunification with the PRC.