Because unsafe Rust has at least as many footguns, and a narrower happy path (second-class support for shared mutability, raw pointers are a pain to use and enc

Because unsafe Rust has at least as many footguns, and a narrower happy path (second-class support for shared mutability, raw pointers are a pain to use and encapsulating in a handle struct might help though I haven't tried writing code this way, Pin violates SB, Box may or may not disable aliasing raw pointers), than C++.