This ban was an anti-trust violation which breached Australia's competition and consumer protection law and caused billions of dollars of damage.
Companies doing business in Australia which engage in anti-trust violations can be sued for worldwide damages in Australian Courts.
A class action will be brought in the Federal Court of Australia against the Respondents' Australian subsidiaries and parent companies for breaches of the Australian Competition and Consumer Law.
I wish them success, but proving monopolistic competition will be difficult in such cases.
These companies tend to pay some out-of-court fines or compensation, but they will continue to do so, perhaps making regulatory laws would be better than going to the courts, but I hope they at least make progress by making these companies more aware of these ads and trying to remove/add them faster.
In general, despite everything, the crypto-related phishing ads were kept longer than other ads.