That's what obviously the article doesn't mention.

Money is not all, and I know plenty of white people too who could not handle the "arrogant Swiss people", that they had to leave the country.

You can't generalize, I agree, however when you hear more times the same complains from completely different people, you start to wonder if there is not a bit of truth in it, though. I didn't want to add negativity to the post, I just really dislike this sort of articles trying to convince people to do something they might regret.