Maybe I'm out of the loop here, but scanning over this I can't help but ask myself: "Why Jujutsu?"
I don't understand what the point is over just using git. The top intro defined some JJ names for git things, but it's not clear why I would want or need this. What problem does it solve with using git?
Not a an expert in this area at all, but I suspect there's an aspect here if maintaining productive capacity to replace imported food, if that became unavailable. Cursory searching suggests US food exports are similar in scale to food imports. Roughly speaking, with some adaptation that export capacity could be redirected for domestic nutrition.
If, in contrast, you let those farms and skill dry up it would be difficult to rebuild quickly.
Because it's bad for consumers to lose choices, even if they don't normally exercise those choices. The choice is the distributed power we have against the consolidated corporate power. We can choose not to let them restrict those choices, for example with interoperability regulations.