I was surprised about vi going in, though, I didn't know it was in System V.
Take responsibility for the things you build and invent.
That lack of programmability is probably what ultimately will doom vi. It can't extend its domain.
I wish we hadn't used all the keys on the keyboard.
Systems are going to get a lot more sophisticated.
There are a couple of people in the world who can really program in C or FØRTRAN. They write more code in less time than it takes for other programmers. Most programmers aren't that good. The problem is that those few programmers who crank out code aren't interested in maintaining it.