Simple: It is programmable, and built for maximal extensibility. I know of no other environment (including e.g. Python) that is as malleable as Emacs. In the en

Simple: It is programmable, and built for maximal extensibility. I know of no other environment (including e.g. Python) that is as malleable as Emacs. In the end, this will lead every user to make Emacs their Emacs. It will become different things for different people, to the point where it may be barely recognizable as Emacs. That is the power of Emacs. It can be whatever you want it to be.