However, in the post, there's also:
Since this design work was in a spirit of direct contradiction to Rust’s goals, it’s hard to see it having a big impact on the design of Rust.
And in the original IRLO thread, he even mentions as well that:
This post is not to propose any change to Rust (even my brief discussion of "Autoclone" at the end I'm not very interested in talking about further now).