Yeah, but if you play without the mod, it's worse. KOTOR 2 is an example of how a company does content wrong and leaves the community to fill the void.
Obsidian, who in my opinion are one of the few true RPG devs out there, were rushed to release KOTOR 2. It would have been a much better game if they had more time.*
an article about obsidian where they mention KOTOR 2.
* The restoration mod proves this.