The digital age has undeniably amplified the reach of public discourse, leading to fervent debates regarding the necessary boundaries for free expression online. Proponents argue that unrestricted speech is foundational to a democratic society, acting as an essential mechanism for accountability and challenging established narratives. However, this absolute view often clashes with the reality of platform governance, where unchecked rhetoric can swiftly devolve into targeted harassment or the dissemination of dangerous misinformation. The challenge, therefore, is not merely between freedom and censorship, but rather locating a sustainable equilibrium. A nuanced approach suggests that while platforms must remain conduits for diverse opinions, implementing clear, transparent guidelines against verifiable harm—such as incitement to violence or defamation—is crucial. This moderation must be narrowly tailored to protect public safety without unduly stifling legitimate dissent. According to the passage, what is the central argument concerning free speech limits on online platforms?