You gotta wonder though...
#Sylvanas 's actions didn't create the split in the Alliance that she was hoping for. However, it could lead to a rift within the Night Elves themselves. One of the "dropped" plot points from a few years ago is the villain turn of Maiev Shadowsong...
This would be a PRIME opportunity for her to reassert herself & get that story resolved. It was ignored in Legion, but Sylvanas wasn't the only 1 that wanted Malfurion dead. I could definitely see Maiev blaming the loss of Teldrassil on Tyrande and Malfurion.
#BattleForAzeroth