Not the Comment of the Day: Chris Bertram Wages War on Eyeglasses, Surrenders to Cyborgs: "Skepticism of cyborgs does not imply a negative outlook towards eyeglasses, canes, literacy, etc...:
...People who seek eyeglasses or artificial hips are seeking to be fully human--to gain or regain functions that the vast majority of their peers possess. In contrast, to become a cyborg would be to reject one's humanity. A cyborg possesses traits that no human possesses or will ever possess. A world which features the extrapolations of technology that Smith describes would be Hell.
Humans since 100,000 BC have had overwhelmingly other traits and different lives than any humans before 100,000 BC--anatomically-modern homo sapiens without language--had previously possessed.
And we literate-culture humans since the invention of writing have overwhelmingly other traits and different lives than any previous humans possessed.
By his logic, if we didn't do it as preverbal hunter-gatherers in Olduvai Gorge, it isn't properly human. "Humanity" is a concept that requires a lot more thought than Chris G appears to have given it. And, of course, there is a very large gulp between "humanity"--what humans have typically done--and "good"...