Immigration is a lot like hiring. You want smart people with good cultural fit. Not in the sense that everyone must be the same culture, but the ideals and ethics of the two cultures must be rooted in similar things.
The puzzle is a bad implementation of the idea that we should test for intelligence. Again, like hiring. This is the fizz buzz test with all the same problems
The puzzle is a bad implementation of the idea that we should test for intelligence. Again, like hiring. This is the fizz buzz test with all the same problems