I don't know what raincole's meaning was but can't there doesn't have to be a permanent inability just a current one, IMO backed up by the next sentence about t

I don't know what raincole's meaning was but can't there doesn't have to be a permanent inability just a current one, IMO backed up by the next sentence about the people making circuit boards not knowing how to refine the raw materials into those that they use. That's what I took it as.