Pretty toxic thread alright. People have short memories that the game's already had a redemption arc where we sided with Illidan who once upon a time conquered an entire world but people are choosing without thought what to dislike which makes very uninteresting discussion.
The only 2 issues I have with the ending is that it was already spoilered in the book regarding the Soul fragment so it was a obvious as daylight what was happening next, and that it's going to take another 8 months for the story to develop.