Originally Posted by Kardu 
Mixing is a fact of historical process (in the past peaceful mixing was rare btw) and by itself neutral, seeing it as nice or not is a matter of taste.
Sure, but no matter if we like it or not, the process exists and is accelerating. We can scream, we can kick, but it will happen.
You can't stop natural forces and processes, unless you are a dictator arranging all marriages to your liking ( only postponing inevitable).
The world used to be big and distances huge, now world is a village and you can get everywhere in 24 hours to talk to anyone you want.