Well we know that they have said we will have some new experiences at the open world of Draenor
And we also know that they have banned flying for 'some' reason
And I(and quite a few people) think these two are obviously related to one another
What I'm speculating is that they are trying to adopt other mmos' open world content ideas which actually 'do' have many good contents.
But, thx to flying, they were having a hard time implanting it because other mmos do not have flying, and many of their contents would be useless if you can just fly over it
So instead of not implanting these features, or trying to somehow harmonize these contents with flying, they simply banned flying because obviously that's the 'simple' way of solving that problem
Otherwise all these mess with no-flying thing would basically make no sense at all. Just banning flying without any reason will accomplish nothing save for subscription drop(I don't think the numbers would be big, but it will drop for sure). It would be logical to think that they are planning on quite a change to make their precious world of Draenor into real SAVAGE and DANGEROUS place
But I'm uncertain about what kind of changes they would make though. It will certainly include something like TI, but what else?