He does have a glimmer of a point; not so much sending as receiving texts, if the school has a system that sends emergency announcements through text messages. If there's an emergency, such as a murder has just occurred in the building where you're currently in class, it would be nice to be able to receive that news. Of course, it would also be nice to have an alert system that isn't entirely text-message based, for the people who don't use their texting service and never signed up for the campus's text alerts...