her printer was out of paper and she couldn't find her eye glasses to read the error message.
Hahahah, omg that's awesome.
To me this user exemplifies where Linux shines: in limited-use-case scenarios (not to say it's inflexible, just that support increases quickly with increased use-case complexity).
The more general-use needed, the more technical skill is required.
This user has a small set of specific requirements, so it's pretty trivial to get them running on a Linux distro, and it's a great application of what Linux brings to the table. System management will be minimal.