I am the author of the article and the "Fatal Flaw" is hyperbolic on purpose, and a mild reference to the downfall of a protagonist in a story. As for where ot

I am the author of the article and the "Fatal Flaw" is hyperbolic on purpose, and a mild reference to the downfall of a protagonist in a story. As for where other languages can go in this area, it would be interested to explore the idea of tracking "uses" in general. It might be useful for the compiler but not necessarily an intrinsic language feature. My issue with Rust is that it went headlong into an unproven idea and those issues are now showing.