UPDATE: Former SBS News presenter Mary Kostakidis is embroiled in a high-stakes legal battle as she defends herself against a racial vilification claim in the Federal Court of Australia. The case, initiated by Alon Cassuto, CEO of the Zionist Federation of Australia, could cost millions and may not be resolved until late next year.
Kostakidis filed her defense just this week, contesting claims that her tweets regarding the Gaza War have offended Jewish Australians. Cassuto’s lawsuit, launched in July 2024, argues that her social media activity was “likely to offend, insult, humiliate and/or intimidate” members of the Jewish community, in violation of the Racial Discrimination Act.
The implications of this case are profound. As Kostakidis challenges the allegations, the court will address controversial topics, including the actions of Israel and Hamas, and whether these discussions constitute vilification.
“These proceedings have been instituted as part of a deliberate campaign to undermine and discredit the Respondent,”
her legal team stated, highlighting the broader ramifications for free speech in Australia.
The defense spans over 30 pages and includes details of 61 tweets and retweets posted between October 2023 and March 2025. Kostakidis has previously apologized to avoid further legal complications and maintains that her statements reflect truths about the Gaza conflict, which has drawn international scrutiny, including from the International Criminal Court.
Justice McDonald is tasked with adjudicating on multiple contentious issues, including the extent of Hezbollah’s classification as a terrorist organization and the veracity of various reports surrounding the events of October 7, 2023. The court may even delve into conspiracy theories linked to figures like Jeffrey Epstein, as Cassuto claims these narratives are damaging.
This case raises critical questions about the limits of free speech, especially in the context of social media. Lawyer Mark Davis, representing Kostakidis, noted the potential for anyone engaging online to face similar legal challenges, stating, “Anyone on Twitter or Facebook could be standing shocked before a Federal Court, going through all of the Facebook posts you’ve ever made.”
As the legal proceedings unfold, many Australians are questioning the use of public funds for such actions and the chilling effect it could have on open discourse. Amid a climate where both pro-Palestinian and pro-Israeli sentiments are publicly debated, Kostakidis stands as a focal point in this urgent discussion on free speech and accountability.
As this case develops, observers are urged to monitor the implications it could have on how Australians express their views on sensitive geopolitical issues. Stay tuned for updates on this groundbreaking legal battle that could redefine the boundaries of free speech in Australia.
