I experienced the same confusion. Looking for an opinion about Rust's type system, I am presented with a tutorial on the difference between basic number types.

I experienced the same confusion. Looking for an opinion about Rust's type system, I am presented with a tutorial on the difference between basic number types. I even think this is a great tutorial, but I wasn't looking for a tutorial. I suppose what I've learned from this is that the type of programmer represented by the protagonist doesn't know about this, and may think it's overkill for their use of numbers. I got tired of reading the tutorial before I became smarter about how to close the gap between programmers who care about types and programmers who don't.