I'd argue Yarn, React, Jest, PyTorch, Hack (and flow even if it's not used much) are examples that show not true. GraphQL may be one of the one of the only exam

I'd argue Yarn, React, Jest, PyTorch, Hack (and flow even if it's not used much) are examples that show not true. GraphQL may be one of the one of the only examples that needed a bit more to be usable outside of Facebook. All of the others are generally usable out of the box.