She abandoned her people BEFORE her home was destroyed inevitably leaving innocents to die whether the tree was burned or not. Not only that but the purpose for leaving was her love for Malfurion. What ever she does in 8.1 will be once again negative for the Alliance. The tree is gone and blood is on Sylvanas’ and her hands. She cannot atone for such a sin unless she steps down and faces trial for treason against the Alliance and Kaldorei