In this presentation, we explore the critical question, "Is Serverless the new way to go, at any cost and every scale?" Reflecting on Sky Italia's shift to a serverless-first approach for our million-DAU digital properties, we aim to provide a comprehensive and candid look into this decision. We'll share insights into the tangible benefits we've achieved, the challenges and limitations we've faced, and the practical pitfalls and missteps encountered along the way. This talk is designed for professionals and enthusiasts alike, seeking an honest and detailed exploration of the serverless paradigm in high-traffic environments. Join us for an engaging session that goes beyond the hype, offering real-world lessons and strategies from Sky Italia's journey in the serverless landscape.