At best TPD in Super is Tier 3 as

Tier 2 is TPD Any outside Super. This form of TPD includes additional features that can result in a claim due to Loss of Legs, Eyes, Cognitive Impairment, ADLs, loss of income.

Tier 1 is TPD Own Occupation The terms and conditions for Own Occupation means that the claim conditions are met if the Life is disabled to the extent they cannot perform their own occupation.

Some serious should be given by regulators and government to implement the Own Occupation definition into SIS Regulations. After all the level of disablement needed to qualify for Own Occupation is still very high.