You and your parent are talking about slightly different things. You are both correct in different ways.
Your parent is saying that, while what you say is true for Rust and Go code themselves, in practice, it is less true for Rust, because Rust code tends to call into C code more than Go code does, and Rust doesn't always statically link to that C code by default.
Your parent is saying that, while what you say is true for Rust and Go code themselves, in practice, it is less true for Rust, because Rust code tends to call into C code more than Go code does, and Rust doesn't always statically link to that C code by default.