Amadeus reinvests heavily in R&D, with a spend equivalent to its #3 competitor's total revenue. This creates a widening technology and product gap that smaller players cannot bridge, fortifying its market leadership and making it increasingly difficult for others to keep up.

Amadeus maintains its "gorilla" status by being beneficial to its ecosystem, acting as a variable cost for airlines and sharing economies of scale. The ultimate test of a great business is when competitors hate you but customers love doing business with you for the same reasons.

To overcome the cold start problem in a network effects business, especially in a conservative industry like finance, a powerful strategy is to create a coalition or consortium model. By giving early adopters ownership and governance rights, you align incentives, build trust, and transform would-be competitors into enthusiastic evangelists for the new network.

The advantage from data network effects only materializes at immense scale. The difference between a startup with 3 customers and one with 4 is negligible. This means early-stage companies cannot rely on a data moat to win; the moat only becomes visible after a market leader is established.

Despite investor focus on its well-known distribution business, Amadeus's Air IT division (inventory, reservation management) now generates 50% of group profits. This less visible, mission-critical software segment is the company's most profitable and formidable moat.

When airlines select an IT provider for their central nervous system, the provider's financial stability is paramount. Amadeus's strong balance sheet is a competitive weapon against more levered peers, as customers cannot risk their core operations on a financially unstable partner.

A sustainable competitive advantage is often rooted in a company's culture. When core values are directly aligned with what gives a company its market edge (e.g., Costco's employee focus driving superior retail service), the moat becomes incredibly difficult for competitors to replicate.

Creating a basic AI coding tool is easy. The defensible moat comes from building a vertically integrated platform with its own backend infrastructure like databases, user management, and integrations. This is extremely difficult for competitors to replicate, especially if they rely on third-party services like Superbase.

While OpenAI leads in AI buzz, Google's true advantage is its established ecosystem of Chrome, Search, Android, and Cloud. Newcomers like OpenAI aspire to build this integrated powerhouse, but Google already is one, making its business far more resilient even if its own AI stumbles.