So, clearly not enough time or experience to make scientifically false statements about an entire country of nearly 90 million people, many of which are much smarter than you or I.
I don't doubt that problems exist. And I'm sorry your family has to deal with that. But going on rants about genetic inferiority is not the solution.
I appreciate you telling some of your experiences, but don't let them poison your tongue. Put that energy into something constructive. Just my thoughts. I wish you and your relatives the best.