Palpatine also made the mistake of trying to swing Luke, and not trying to kill him.
Had he killed him in the first place, the Death Star would still be living strong.
<{POST_SNAPBACK}>
He also made the mistake of not listening to Admiral Piett
Anyway, a DS in the KOTOR time period would be simply terrible, because it would A: be beating a dead horse and B: possibly ruin some serious continuity