They're not lying. To parallelize, you have to code in a different style - though it doesn't have to be CUDA. However, it's easier to enforce the syle in a para

They're not lying. To parallelize, you have to code in a different style - though it doesn't have to be CUDA. However, it's easier to enforce the syle in a parallel-specific language, and it can help to support idioms. Controlling the language certainly helps Nvidia's economic moat.