Perhaps you didn't read the entire page! "*No quote or purchase of insurance necessary, need not be an Allstate customer to take advantage of this offer. Products and services are offered by third parties for the benefit of their customers. Allstate does not endorse or take any responsibility for their products, services, or websites, or make any representations or warranties concerning the content, accuracy, completeness, timeliness, operation, or quality of such products, services, or websites. Cannot be combined with any other offer. Void where prohibited by law."

https://www.cellcontrol.com/allstate-3