You have a point. There are less moving parts (or at least systems) than the shuttle. And the simple may also refer to what it's like for the pilot (process).

You have a point. There are less moving parts (or at least systems) than the shuttle. And the simple may also refer to what it's like for the pilot (process). From what I understand, it's a hands-free re-entry, and more comfortable than a capsule because it's more predictable and slower.