That may be technically true but in practice and rhetoric "unsafe" is often used in contexts with much broader, implicit connotations. For example, putting Rust

That may be technically true but in practice and rhetoric "unsafe" is often used in contexts with much broader, implicit connotations. For example, putting Rust-compiler-proven-safety as the top, first, or best feature to consider. In that context, saying "C++ isn't Rust-safe" is essentially defining Rust to be "better", not advancing a coherent argument that it is in fact better.