Earlier quoted context omitted.
Although currently abstract, I think it's going to be one of the most important ethical questions we face in the future. If we create machines that can suffer, then we've got a profound ethical responsibility to make sure that we avoid this outcome, since the magnitude and duration of that suffering can potentially be much larger than a human's capacity for suffering.
> If we create machines that can suffer I don't think that's gonna happen. And if it did, it wouldn't be real , and those that think it is are fooling themselves. Only biological organisms feel. Why are you wishing for a cold lump of steel to feel something? In my mind only someone who struggles severely with emotional intimacy with other humans would want to create a machine that tries to imitate human feelings, and…
It's a matter of debate in philosophy of mind as to whether it's plausible that hardware can possibly have qualia, or whether that's a property that's exclusive to wetware. I personally think it's quite likely that they will be able to, I don't see anything intrinsically special about wetware that's necessary for the generation of qualia.