Analyzing Rhetorical Strategies in Social Media Discourse

Read the following excerpt from an argumentative essay that discusses the impact of social media on modern communication:

"In an age where tweets convey breaking news faster than traditional journalism, it is clear that social media has redefined the boundaries of information dissemination. However, this rapid sharing of information often comes at a cost—the integrity of the information itself. Misinformation spreads like wildfire, undermining public discourse and trust. Therefore, it is crucial for users to cultivate media literacy and critically evaluate the sources of their news."

Which rhetorical strategy is the author primarily employing in their argument?