Earlier quoted context omitted.
Could always use the Window manager that is included in the X-Server source code package: TWM. It's dependencies is basically the X-server.
If you have ever used TWM, then you would know that the 'T' stands for Terrible. Fortunately, there are lots of lightweight WMs that are far better. Personally, I use tiling WMs (namely XMonad at the moment), so I could really care less what GNOME, KDE, et al are up to. However, I realize most people are accustomed to stacking WMs and expect something similar to what is provided by proprietary OSes with a similar amo…
Furthermore, it is not terrible. I’ve used TWM for more than 20 years. It worked perfectly fine for me when I started to use it, and it still does so today, so I have not seen a need to switch.