[lkitching]

That just means the semantics of the language are defined by whatever the default implementation does. It's a big stretch to conclude that means Rust 'was' OCaml in some sense when the compiler was written with it. Especially now the Rust compiler is written in Rust itself.

[randomdata]

You're overthinking again. Read what is said, not what you want it to say in some fairytale land.