Beyond technical switching costs, Adobe is protected by organizational inertia. Employees are naturally resistant to adopting new AI tools that promise efficiency gains, as they may perceive them as a threat to their jobs. This misalignment of incentives between management and staff slows disruption.

The stickiest software is critical but inexpensive relative to a customer's overall budget, like payroll services. This 'Goldilocks zone' makes the software too small a cost for C-suite review, yet too embedded to easily replace, creating a powerful moat.

Even if AI makes it easier to build competing software, incumbent SaaS giants retain customers due to immense switching costs. The operational disruption, retraining, and integration challenges of migrating a large organization create a powerful moat against new entrants.

The cost of re-validating, QA-ing, and re-training internal apps built on a specific LLM far outweighs potential token savings. Once an application is "dialed in" on a model like Claude Opus, the business has little incentive to switch, creating a durable competitive advantage.

Large companies stick with incumbents like SAP because the subscription fee buys more than software; it buys an SLA, liability management, and guaranteed support. The risk of downtime from a cheaper, self-built solution is too high. The premium price is effectively an insurance policy against mission-critical failure.

Incumbent software like Workday creates immense stickiness, not through love, but through deep integration and high switching costs. This creates a 'Hotel California' effect where customers 'can check out any time they like, but they can never leave,' a moat that only a 10x better alternative can breach.

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.

Google's free productivity suite failed to displace Microsoft Office at the enterprise level, contrary to disruptive innovation theory. This was due to Microsoft's entrenched file formats becoming industry standards, the complex needs of high-end power users, and the massive switching costs for large organizations.

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.