Quite honestly, it is entirely possible to live completely without a GUI (more or less)—even today, in 2019. And, these applications make it possible—challenging, but possible. Web Browsing Plenty of ...

X11 is a low-level GUI system, so there are quite a few steps to create even the most simple drawable object, but this also makes it quite simple to understand and thus quite suited to such a project.

And Juran maintained that it's not just old-school automakers that are responsible for gooey GUI. The Tesla Model 3 "has one of the most unusable UIs in a car known to mankind," he said.