GraphQL platform at Uber

During this talk Diana wants to look at GraphQL from the perspective of a more general trend of going from fragmented data models, microservices, decoupling, and separation of concerns to more unified and centralized engineering organizations. What is a general trend and how does GraphQL fits into this picture. How do large organizations look to organize their teams around single graph methodology? What are the unique technical constructs and tools that GraphQL brings to the table to help facilitate the unification?