> Never understood this company. Lenovo and Dell sell computers with Ubuntu or Fedora pre-installed, that have been tested and are guaranteed to be fully compatible with Linux.

This hasn't always been the case. System76 has been around since 2005.

> Why would you go with System76, which is selling rebranded Clevo laptops with a markup, and PopOS, which is an Ubuntu derivative?

To support a company whose entire purpose is to provide hardware running Linux, as opposed to one which does it as a small niche within their much larger Windows-based business.