Conclusion
The result in Teoh demonstrated how influential a human rights issue could affect an outcome on a serious decision such as migration. To openly allow a criminal into Australia as a resident is not exactly acceptable and because the treaty had only been ratified and not legislated could possibly be argued to be political correctness gone wild.
Ultimately, Teoh was a case about judicial review of administrative decisions, not solely human rights that has been affirmed and as detailed earlier has been implemented in future cases. The international body of human rights treaties is seen as an important and powerful source of law which may be called on to assist in promoting the protection of rights globally and within Australia and in line with this the power of the judiciary to determine existing legal rights can be argued as practical. But the judiciary's development of rules of procedural fairness is argued that it should be limited and used cautiously - to regard a legitimate expectation, as requiring the decision-maker to act in a particular way is tantamount to treating it as a rule of law. …
