Why is so much time and effort wasted developing desktops?

When it's painfully clear Openbox is the only graphical interface gnu/Linux could ever need? 

Deb-fan wrote:Visually impaired people only need be told that they have Openbox and they will be happy
Deb-fan wrote:Additional appropriate Openbox fork names welcome
Deb-fan wrote:Not so sure about Wayland + sway
Deb-fan wrote:Any good recommends for lightest stacker ?
Deb-fan wrote:...Any good recommends for lightest stacker ? Thought of doing an absolute minimal Fluxbox theme, no toolbar, no slit and just using tint2 with the thing but meh lighter still as long as it's decently visually appealing and functional doesn't much matter to me. Suggestions welcome fellows.