> Emacs was invented for a world where Text was everything.

Text still is mostly everything for all of my backend programming, note taking, etc.

> The other problem is speed of typing is irrelevant if you are working with libraries all the time, which is basically what most of the programming world does.

Typing speed is far from the most important part. It's the consistent interface for everything, reduction of cognitive load, and everything being available at your fingertips in emacs.