Not our problem.
To be brutal, dfwgator is correct.
This internal violence isn’t a threat to the USA. The threat to the USA is if either the Taliban or the Islamic state get dominance over the other. If that happens, then it becomes a threat to the USA.
It isn’t a threat to India either, but it may be a threat to Pakistan - the anti-Shia violence will prompt Iranian intervention, which will p!$$ off the Pakis.