They do appear to be toning it down and down but they need to emphasize sylvanas reasoning's which is that the Alliance attacked the Horde in Stormheim and that was the opening salvo for the next faction war and the destruction of Teldrassill is just a necessary military tactic to stop the Alliance from having a workable port used to take azerite which is the new plutonium from reaching the Alliance stronghold of Stormwind.