Originally posted by DarkAge
Why has no-one stated the obvious, that Vader was good at the end of Episode VI? This was change was uncalled for and nonsensical.
good yes, a Jedi no.
It would seem that when a force ghost is created it emulates the being in their good Jedi state. This would be why yoda and obi-wan are shown the way they are, because they died as noble jedi. Obviously Anakin stopped being that the second he turned to the dark side.