One factor that's not accounted for here would be time. That is, how much degradation happens over time naturally. Given how microscopic these electronics are,

One factor that's not accounted for here would be time. That is, how much degradation happens over time naturally. Given how microscopic these electronics are, minor perturbations are actually pretty major and might cause failures without any electrical activity happening on them. It would be interesting to see how this test goes over the course of several months or years.