Well we have seen massive decreases in cellular prices over the years, about 50% a year. Meanwhile, the NBN keeps getting more expensive and is legislated to keep going up. In fairness, people are using more NBN data but cellular has still been going in a better direction.
This is because:
@knk: Wasn't me was a friend so idk exactly what they had at the time but point still stands that we definitely needed an upgrade, its just that what we got wasn't really any good.