Bear in mind that his use case is that people want to do novel things with their machines. You can simplify, automate, and GUI away things you can anticipate. When someone needs to go beyond that, you can try to give them a helpful framework, but that's it. Quite quickly they're going to be off blazing a trail, armed only with their wits and some basic tools.

But here's the catch - when blazing a trail, you can't expect to find a nicely paved road with regular bus service.