> Heavy mouse users develop blindingly fast Fitts’ Law targeting. And if you need essential simplicity, they have far fewer commands.

Even if you remember the general placement of things? You still have to consciously track where the pointer is and when it will be on target. I was better with old applications where everything was accessible, bit in this era of low density interface and deep navigation, it’s not great.

The Acme editor is a great example on how to use the mouse. Every click results in an action. And a customizable interface so that you can have what you need at the ready.