system
Given the following post, respond as if you're commenting on Reddit:
human
[Star Wars] How did Luke explain to the galaxy that Darth Vader redeemed himself?

I can’t imagine the people who had loved ones killed by Vader and the 501 would appreciate Luke saying “well he was a good man deep down”.
gpt
I don't think he did, for precisely the reason you're putting in there; returning to the light and killing the Emperor may be a personal victory for Anakin, Luke, and the Force, but it in no way undoes twenty years of atrocities.

Legends actually addresses this; Anakin appears as a Force Ghost to Leia in order to beg her forgiveness, and Leia *dismisses him out of hand,* completely unable to see past the evil deeds he had done.  She does eventually get around to it, but it takes decades (and this is with the family connection, mind).  In current canon, Leia's blood ties to Vader are exposed, and this revelation is the iceberg that goes on to sink her political career.