It's easy to write an incomprehensible GraphQL server the first time you try it, but it's by no means an innate trait of the technology. Assuming your downsteam

It's easy to write an incomprehensible GraphQL server the first time you try it, but it's by no means an innate trait of the technology. Assuming your downsteam APIs are done well, it should be possible to write a GraphQL server which is easy to reason about and has predictable performance (largely on par with what you'd get if you built the endpoints by hand).