> Are RDBs the default way mostly due to historical reasons? It sure helps, because you got literally generations of developers trained on how to best utilise

> Are RDBs the default way mostly due to historical reasons? It sure helps, because you got literally generations of developers trained on how to best utilise them. Additionally, you can use ORMs, GraphQL adaptors or similar abstractions to build graphs on top of relational storage, and keep your existing infrastructure, which makes hybrid setups a lot more attractive than graph-first ones for non-startup environments.