He could just say something totally different at a news conference 10 days from now so who cares. I'm not sure what incentive India has to become super involved here, either. I thought there was a chance he was going to announce the beginning of a withdrawal which would have actually given me something to praise him for doing.
Pakistan is our ally. India is not. You stand with allies no matter if they're right or wrong. To talk like this is unacceptable.
Pursuing a better relationship with India is fine, but the relationship with Pakistan is crucial for reasons already discussed in this thread. Alienating them isn't smart strategically.