Fredric Jameson considered the key feature of cyberpunk to be transgression, that is to say the erosion of boundaries. Cyberspace is cyberpunk because it erodes

Fredric Jameson considered the key feature of cyberpunk to be transgression, that is to say the erosion of boundaries. Cyberspace is cyberpunk because it erodes the line between physical and digital space, mind and body. Megacorporation's are cyberpunk because they erode the lines between private and public life, national borders, and so on. Transgression is also the key theme in Blade Runner. What is being transgressed is the distinction between machine and organic body. Synthetic and natural life, person and machine, authentic and inauthentic memory, and so on. Computers are only one particular artifact of the cyberpunk genre because they're a great example of a tool that breaks down barriers. But Blade Runner has every reason to be situated in the genre as well, because it deals with the exact same topic, merely placing focus on a different technology.