I can see the point only so far as disabling the keys temporarily in order to force yourself to learn and use some of the more powerful key combinations. But,

I can see the point only so far as disabling the keys temporarily in order to force yourself to learn and use some of the more powerful key combinations. But, I had to deal with hjkl on dumb terminals either without arrows, or with arrows that didn't work. I always hated it. The arrow keys I find very obvious, simple and effective.