I think you're misreading this. I read it as saying that these things are sad design choices in many similar languages, but that Rust has avoided them. Nothing

I think you're misreading this. I read it as saying that these things are sad design choices in many similar languages, but that Rust has avoided them. Nothing follows about them not having included other sad design choices that they're unaware of. The point is that you can at least try to avoid the things you view as sad design choices--you're not necessarily stuck with them.