He was happy there, functioning for a great many years. Are not most of us frozen in place, hiding from deeds that might be against some law or regulation that we don't even know about? He was treated like a criminal, and I suppose he may have been. But it's no crime to have nothing to do with other humans, and he was forced to relate to humans on a regular basis after they got him. We are all one single law away from prison, one.