I don't see how removing `unwrap` like the author dreams of would result in anything other than a lot of `expect("oh no")` instead - the problem refactors itsel

I don't see how removing `unwrap` like the author dreams of would result in anything other than a lot of `expect("oh no")` instead - the problem refactors itself from "sloppy developers use unwrap which has a generic panic message" to "sloppy developers use expect with a generic panic message".