Why even risk it with the /extract option? Just use a tool like 7Zip or WinRAR to extract the files.
Because you are not going to install extra utilities on a corporate image of 500 machines?
Of course you are right, if you have a technician/dev/personal machine those utilities are just fine. If you are stuck on a remote campus, and had to snag the executable from HP, it's just as easy to do it via an elevated command line than install a utility,