I had no idea about the origin.

Is ZorinOS niche? It’s Ubuntu with a Windows ricing.

The only reason I bought a Pixel is for GrapheneOS and the only reason my SO has one is also GrapheneOS.

First, BACKUP EVERYTHING.

Then, the best distro is probably going to be the same you are currently using. You will not have to deal with issues that may be specific to one distro. There is enough difference from one computer to another to cause annoying issues, even on windows.