While AI pushes software toward consumption-based pricing, SAP employs a hybrid model. The CTO explains that enterprise customers are not ready for pure consumption as they require budget predictability and are not yet fully trusting of AI outcomes, forcing a gradual transition away from seat-based licenses.

The "SaaSpocalypse" narrative misses a key reason large enterprises buy from vendors like Salesforce. It's not just about features, but accountability—like hiring McKinsey, it provides "air cover" and "a throat to choke." This institutional trust is a powerful moat against nascent, AI-generated tools.

The ability to generate code cheaply with AI doesn't threaten enterprise SaaS incumbents. Their true barriers to entry are trust, governance, security audits (like SOC 2), and established enterprise sales motions. These elements are far more difficult for a new entrant to replicate than the software's codebase itself.

Mitchell Green points to companies like Databricks to argue that enterprises willingly pay for free software. The value isn't in the commodity code, but in the crucial services wrapped around it: customer support, security patches, and user authentication, which are complex and costly to manage internally.

The key to Red Hat's commercial open-source business is providing value the community doesn't. While open-source communities focus on rapid innovation, enterprises require long-term (e.g., 10-year) support and stability for the software they deploy—a paid service that Red Hat provides.

True defensibility comes from creating high switching costs. When a product becomes a system of record or is deeply integrated into workflows, customers are effectively locked in. This makes the business resilient to competitors with marginally better features, as switching is too painful.

A significant, often unspoken, value of third-party software is accountability. When a critical system like an open-source database fails, companies need a vendor to call for support and to bear responsibility, a crucial 'cover your ass' function.

The most defensible businesses, especially in enterprise software, create such high switching costs that customers are essentially locked in. This "hostage" dynamic, where leaving is prohibitively difficult, is a stronger moat than simply having satisfied customers who could still churn. It's the foundation of an enduring software business.

The fear that AI agents will kill SaaS is overblown. Corporations will not replace mission-critical, supported software with AI-generated code from junior employees. The need for vendor accountability, reliability, and support creates a durable moat for enterprise software companies.