Relay (Modern) doesn't require any of the Relay-specific schema patterns. But most of them (connections, the node interface) are useful enough to want to use anyway.
That said, I agree that too much of the documentation/articles/tutorials about how to use GraphQL assumes using a particular implementation. I'm far more interested in talking about higher-level concerns like best practices and data modelling.
That said, I agree that too much of the documentation/articles/tutorials about how to use GraphQL assumes using a particular implementation. I'm far more interested in talking about higher-level concerns like best practices and data modelling.