It is a huge pain in the ass. At the very least. Costly in truth, treasure and soul. Nothing to be happy about. And nothing to celebrate.
Very often a fatal mistake. Ask the Rwandans.
which set of troubles in the world is NOT
either caused by
or greatly exacerbated by
(And in the West, "diversity" is simply a tool for anti-White/male cultural warfare and The Rule of the Victim Minorities.)