That's probably because people are different. And so their tastes and habits are. That's why there are Windows, Linux and MacOS all co-existing in parallel. That's why there are iPhone, Android and Blackberry. That's why where are Mercedes, Toyota and Chrystler...

I guess, you just like the command-line tools more, as many other guys do. And lots of other people really enjoy GUI tools such as Visual Studio. And the goal of the article is to show those guys that they can now enjoy their favorite IDE while developing for Raspberry PI.