Rust rewrites of existing rock stable applications is only done for performative reasons as there are no merits.

Sudo may not be as “rock stable” as you suppose. The sudo-rs project has discovered a number of exploitble bugs in sudo that had existed for years.

And remember that sudo was itself a replacement for earlier tools like su. It has no special claim to be the one and only tool for the job.

And pimp up my CV kind of stuff.