I'm pretty sure he meant malware. What's the difference between a software engineer writing malware to the specifications set by an employer (whoever that might

I'm pretty sure he meant malware. What's the difference between a software engineer writing malware to the specifications set by an employer (whoever that might be) and the mechanical engineer shown in the clip? For example, a request such as making the vehicle amphibious could translate into a request for making the software attack both OS X and Windows.