I think one of the interesting things is that vi is really a mode-based editor.
Not all smart people work at Sun Microsystems.
You can't solve a problem with the management of technology with more technology.
That lack of programmability is probably what ultimately will doom vi. It can't extend its domain.
I think it is no exaggeration to say we are on the cusp of the further perfection of extreme evil, an evil whose possibility spreads well beyond that which weapons of mass destruction bequeathed to the nation-states, on to a surprising and terrible empowerment of extreme individuals.
Sometimes the easiest way to get something done is to be a little naive about it.