UGO (Underground Online) - Worst Video Game Sequels
Since this is a light news day, UGO's cross-platform list of the Worst Video Game sequels --presumably ever--might be worth a look. Most of the games are far outside the RPG arena, but there is a mention of KotOR II:
KOTOR II ultimately failed most as a compelling, fan-servicing narrative. Believed by many to be released as an incomplete product following a rushed development period (a fact which is supported by evidence of missing content within the game's files), KOTOR II's story is full of holes (and more than a few gameplay bugs).