But why would the traditional process of the Sith apprentice succeeding the master mean anything to them? They don't even know that Palpatine or Vader were Sith.
"There is something going on in time and space, and beyond time and space, which, whether we like it or not, spells duty." -Winston Churchill
"For of all sad words of tongue or pen, The saddest are these: 'It might have been!'" -John Whittier
"Apathy is death." -Kreia