But that their minds are not different from our own is demonstrated by the fact that the hard-won discoveries of scientists like Kepler or Einstein become the commonplace knowledge of schoolchildren.
The comparatively mild effects of the northern California earthquake in 1989 are good evidence that we do have the technology to prevent vast destruction.
It proved that the second hypothesis—that we do perceive everything all the time but the brain categorizes distractions differently—wasn't true either.