Service Hub is valuable to HubSpot because it enables businesses to provide exceptional customer service and support, thereby improving customer retention, loyalty, and advocacy. Service Hub provides businesses with a central platform to manage all customer interactions and support requests, allowing them to respond quickly and efficiently to customer inquiries, tickets, and issues. With advanced features such as ticket routing, automation, and knowledge base, businesses can streamline their customer service processes and provide personalized and timely support to customers across multiple channels. Moreover, Service Hub integrates seamlessly with HubSpot's marketing and sales tools, providing businesses with a complete view of their customers and enabling them to deliver a unified customer experience.