Why were the KOTOR games so great?
The unspoiled stories, especially the twists, of both were epic during your first run. You weren't restricted by the original movie events while making decisions and it allowed you to actually roleplay in the star wars universe outside of pen-n-paper. It had amazing characters to interact with, great art design, script and voice-acting, cool villains and set-pieces, and a deeper exploration of the Force than previously seen in the print fiction.
All that said, when Malak ordered the destruction of Taris, I cheered. That world was the longest, most boring Act 1 I'd ever encountered, and I made it a point during each of my many playthroughs to skip all dialogue and fluff side-missions to get off Taris as quickly as possible.