I watched the videos and all I could think was, can we feed it off the local terrain?
If necessary can we eat it?
Seriously, the support systems for these will need to be as complex as the machines themselves. However, they are pretty cool.
You will be Assimilated.
What makes the most sense to me is not that we opt out of cookies, but rather that we all use the same cookies.
We need a repository of tracking cookies and a plugin that sets all of our cookies to the same thing. That way there is no dependence upon the trackers to be good or ill. We just all pretend to be the same "person".
No amount of careful planning will ever replace dumb luck.