Use FinRunbook to compare AWS, Microsoft Azure, and Google Cloud over 2021–2025. Analyze their business models, growth, profitability, competitive positioning, and investment requirements. Explain how enterprise demand and AI workloads have affected the industry, distinguishing disclosed results from management expectations. Align reporting periods and clearly identify differences in business scope. Do not substitute Microsoft’s Intelligent Cloud segment for Azure or infer market share from incomparable revenue figures. Conclude with each provider’s advantages, vulnerabilities, and the indicators that could change the competitive outlook. Produce an English interactive industry report with comparative charts, an evidence-backed competitive map, traceable sources, and final validation.