System programming isn't a dark art, it's just programming with programmers as an audience. Application programming focuses on end-users who may not be programmers. I've done both.
I've used and developed on X11 since 1990. I'm well aware of its numerous limitations and I'm glad new technology such as Wayland is being developed to replace it. But it wasn't "a mistake".
I've used and developed on X11 since 1990. I'm well aware of its numerous limitations and I'm glad new technology such as Wayland is being developed to replace it. But it wasn't "a mistake".