Got an Answer?
Maybe she paid for her tuition without needing hecs? Maybe she will join the hordes of graduates who never end up paying their hecs because they never earn enough? Why is this your first thought? This lady is proof that age is no barrier to anything. She should be applauded. Not criticised.
If it was a masters degree by research, it is a no fee paying course. The research is for the university and becomes their property hence the fees being waived.