Since the start of November, the Australian government has made two significant announcements aimed at preventing the harms that social media platforms are causing to the mental health of adolescents — but are these measures enough?

Most of us are aware that the emergence of social media platforms and their omnipresence in our lives have fractured public discourse and undermined the conditions of democratic deliberation. But we are only now beginning to grapple with the way corporations — having already decided to make...