Can’t be sure since you didn’t give specific examples… but I guess it’s because these domains (graphics, audio processing) requires the utmost performance and t

Can’t be sure since you didn’t give specific examples… but I guess it’s because these domains (graphics, audio processing) requires the utmost performance and therefore needs to touch the unsafe parts of Rust frequently. Or they need to interface with operating system/driver APIs which are fundamentally unsafe. Writing inefficient safe code is easy(-ish). Writing efficient safe code is hard regardless of using Rust or not.