"Although the conventional wisdom says that Mumbai closed the door on Kashmir discussions...." But our rulers abdicated their 'conventional wisdom' to senseless/shameless head and coterie and still hoping against hope. There has to be an end for everything, good or bad!
without the killing of forigner-guests in prestigious hotels, pak might not have earned international disdain; some pressure on india to discuss kashmir with pak might even have come about. vinaaSa-kaale vipareeta-buddhih. LeT overdid its job and got well-deserved punishment for itself and pak, with recognition as a rogue outfit in a terror-generator-state.
There lives a snake which is known as "Dutondya" i.e. double-faced. It literally has 2 faces on either ends of it's slithering body. The snake uses either mouth, conveniently as required.