Lots of projects break themselves up into multiple crates for various reasons, but they’re still maintained as a whole by the same people.

Take serde, for example: https://github.com/serde-rs/serde

This is four crates, so it shows up as 4/2000. But last week, it would have been 3/2000, because serde_core was extracted very recently: https://github.com/serde-rs/serde/pull/2608

As a serde user, this reorganization doesn’t change the amount of code you’ve been depending on, or who authors that code, but it did add one more crate. But not more actual dependency.