As someone who had to help coworkers with Windows, Mac and Linux problems one of the main problems of macOS is the fact that you have to use the clumsy GUI for so many things and that the Unix-like underpinnings are badly maintained and outdated so many systems have several versions of the same tool installed in various locations (OS-, Homebrew-, MacPorts- or whatever other package manager of the day versions).
As someone who had to help coworkers with Windows, Mac and Linux problems one of the main problems of macOS is the fact that you have to use the clumsy GUI for so many things and that the Unix-like underpinnings are badly maintained and outdated so many systems have several versions of the same tool installed in various locations (OS-, Homebrew-, MacPorts- or whatever other package manager of the day versions).