There's two things to come out of this:
The more TTP gathered in one area the more TTP we can kill/captureThere's two things to come out of this:
1) Such high profile movement means we can get a hint of where they operate from, their bases and their seminaries and of course villages from where they draw their manpower from.
2) It will help the govt to effectively pressurise the IEA into taking action against TTP, especially if they desire regional and international recognition.
TTP always had presence across both the sides of the border. So this isn't really something new.
It looks like they have started to enjoy much more freedom under the Taliban than they did under NDS.