Simple question...

If George knew in 1983 what he knows know, about the way Anakin turned from the Jedi and became Darth Vader, would he still have allowed him to merge with the Force and be present as a Force spirit on Endor alongside Ben and Yoda for Luke to see?
Vader did one solitary good deed in killing Palpatine. Would that be enough to forgive him for:-

1-Killing the Tuskens
2-Murdering Dooku
3-Killing the Younglings
4-Slaying the Separatists
5-Injuring Padme
6-The Jedi Purge

If George knew all of the above when he wrote Jedi, would Anakin still have been redeemed? Allowed into heaven, in a manner of speaking.