&quot;How is Rust or whatever solving this? It doesn&#x27;t.&quot;<p>Actually, yes, it does. The borrow checker composes. Two correct Rust components for race conditions and memory safety will indeed compose together correctly. That&#x27;s a great deal of the point of the whole thing, after all.<p>I don&#x27;t think you&#x27;ve been keeping up with the state of the art in the last few years. Maybe less yelling and more listening is called for here.