My view: Bastila is just another character. Not particularly bad or especially good. If I was to place her character in a one-word category I'd go with "Fine".
"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