To extend your analogy: it would be more "human" and also more specialized. Take a look at all the tiling window managers--more sophisticated than those created

To extend your analogy: it would be more "human" and also more specialized. Take a look at all the tiling window managers--more sophisticated than those created by Apple or Microsoft, and used only by a few. I could also see it being more community driven: many open source projects I use have very transparent development policies and welcome suggestions.