The article isn’t talking about taking the end product, it is about North Korean’s involved with the movie’s production by providing low cost manual labor for animating or ‘drafting’ the images for the shows (and then presumably a portion of this income is fed into the state). They’re not supposed to be doing this, but have identified ways to get jobs passed to them via some sort of broker who allocated part of the work to them or gets their citizens placed using fake credentials.
Rust’s cargo is great, I’d say it would be best to make the switch sooner rather than later once your code base is established. The build system and tooling alone is a great reason to switch