Why?
Some old links on why openSUSE instead of Ubuntu:
https://itsfoss.com/why-use-opensuse/
https://www.lifewire.com/ubuntu-gnome-vs-opensuse-fedora-2201178
https://www.reddit.com/r/openSUSE/comments/eizbli/my_personal_opensuse_opinion_of_why_its_not_as/
https://www.reddit.com/r/openSUSE/comments/fe8zpl/how_is_opensuse_leap_for_desktop_use_compared_to/