Our tax system should be fair. It isn’t. Those who can afford to pay the most often pay very little.

The point of the article is that the current tax system isn’t fair, and instead it privileges wealthy older Australians:

Generous tax arrangements have also allowed older Australians to accumulate significant wealth and income linked to their real estate and superannuation assets.

Despite this growing wealth, the tax system has not adjusted, instead providing increased support for older generations, a working paper from the Australian National University’s (ANU) Tax and Transfer Policy Institute last year found.