Essai anglais : Liberté d'expression et modération numérique

Write a critical essay (250 words) analyzing the balance between freedom of expression and civic responsibility in digital spaces. To support your argument, consider a model where the quality of digital discourse $Q$ is expressed as a function of the moderation intensity $x$, defined by the relation $Q(x) = \frac{100x}{x + k}$, where $k$ is a constant representing the 'initial toxicity index' of a platform ($k > 0$). Discuss the threshold where $Q(x)$ approaches its horizontal asymptote $L = 100$ as $x \to \infty$. How does this mathematical representation of 'civic health' reflect the real-world tension between protecting users and the risk of over-censorship?