I see fragmentation on Linux as diversity and worldview. When you talk about major distributions like Ubuntu, Fedora, Arch, Debian, OpenSuse, etc. they cater to

I see fragmentation on Linux as diversity and worldview. When you talk about major distributions like Ubuntu, Fedora, Arch, Debian, OpenSuse, etc. they cater to completely different type of crowds. Ubuntu will never be able to satisfy Arch community and vice verse. Major problem would not be fragmentation but shoving Ubuntu on Arch or Fedora users. If you are a casual user then just stick with Ubuntu or Linux Mint and be happy.