This is all a fantastic idea. Distributing Wikipedia in a fashion similar to git will make it a lot easier to use in areas where Internet connections are not so common.
It always surprises me when people express enthusiasm for this kind of idea, since my instinct assumption is the exact opposite: that this couldn't possibly be feasible or practical.
Just out of curiosity, how large are the git-managed projects that you have successfully handled this way? Number of files, lines of code, bytes or commits per day? Did you ever run into a software project where a fully decentralized git solution was impractical, e.g. because pulling in the daily updates took more than an hour on your available bandwidth?
I can't say that I've handled an large git-managed projects this way, but I am to understand that this is the very thing for which git was designed. Given this I would hope that a git like model would be good for decentralized editing.
Thank you, Derric Atzrott