Rhetorical Strategy in Mental Health Awareness

In the following excerpt from an opinion piece on the importance of mental health awareness, the author utilizes rhetorical strategies to persuade the audience:

'Acknowledging mental health issues is not merely an option; it is a necessity. Every day, countless individuals battle through their lives with unrecognized struggles. If we continue to ignore these issues, we are not only putting their lives at stake but also fostering a culture of stigma that prevents open conversations and healing.'

Based on the excerpt, what rhetorical strategy does the author predominantly employ to achieve their purpose?