Australia’s richest person, Gina Rinehart, has recently backed a deal to acquire a 10% stake in Southern Cross Austereo, the nation’s second largest commercial media broadcaster, which owns major outlets such as the Seven Network, West Australian Newspapers, and Triple M.

While the $26 million deal does not give her an immediate controlling interest, there is potential for her to increase her stake if certain conditions are met.

Rinehart has previously invested in Channel 10 and Fairfax, raising questions about the influence of billionaires on media content and political agendas.

Scholars warn that concentrated media ownership can undermine democracy by shaping public opinion and prioritising the interests of proprietors over impartial reporting.Australia’s media environment is highly concentrated, historically dominated by families like the Murdochs, Packers, and Fairfaxes.

Reforms in the 1980s sought to curb these influences, but recent deregulation and market pressures from digital advertising have allowed major mergers, including Southern Cross Austereo’s consolidation with Seven West Media.

Critics highlight the lack of regulatory action to prevent excessive media concentration and warn that the influence of wealthy business figures could compromise media diversity.

Solutions include continued support for public broadcasters like ABC and SBS, nonprofit media ventures, or philanthropic models to ensure a more diverse and resilient media landscape.