Perhaps the searching down in the southern Indian Ocean is to give the impression that the powers that be are not aware that the plane is in Iran.
It’s being repaired along w all electronic signals being disabled. I believe it can strike anywhere fully fueled w just a couple of nukes.
More than likely there was a “special” press briefing to harp on this debris event just so attention is centered there.
I doubt Pakistan would allow an identical incursion like Zero Dark Thirty to happen again.