Amazon's description of S3: "Data is automatically distributed across a minimum of three physical facilities that are geographically separated within an AWS Reg

Amazon's description of S3: "Data is automatically distributed across a minimum of three physical facilities that are geographically separated within an AWS Region". What are people doing wrong with how they use S3? Until AWS provides a cross-region S3 that is master-master or self-healing, the suggestion that people are using AWS improperly seems incorrect.