I think this article is AI generated. I only skimmed so I could easily be wrong, but it smells too simple and too confident. The author is using AI quite a bit in other places as well https://www.linkedin.com/groups/9855568
I did get the sense that they're mostly matter of fact statements with code samples but really nothing to back up those statements, like how each thing is achieved.
In any case this seems to be part of some series on Zig, so the title is misleading: it sounds like it’s a blog post talking about memory safety in zig, but it’s just about features in Zig that can make it a little more safe.