Mint. It just works and Cinnamon is a good DE (ui design peaked in the Windows XP days). Plus you also get all the software built and tested for Ubuntu without the bullshit of using Ubuntu.
For my server I use NixOS, because having one unified configuration is so nice.
Realistically, probably not much for people outside of the tech industry. People will use the best tool for the job, and whether it’s foss or not won’t matter.