Home Edition: "People are familiar with using Office at work, so they'll probably want to use Office as well when it's time to design that Garage Sale flyer."

Student Edition: "Give them Office now at a discount, and they'll keep using (more expensive versions of) Office when they get a real job."

Office is named Office for a reason. Its entire existence revolves around the typical 20th-century white-collar office. All other use cases are secondary.