"white flight" is invoked here often. I'm not sure exactly why, but maybe it allows a certain amount of feeling morally superior, and/or allows the author to fe

"white flight" is invoked here often. I'm not sure exactly why, but maybe it allows a certain amount of feeling morally superior, and/or allows the author to feel like these people's predicament is entirely of their own design, and thus they are not real people deserving of solutions or sympathy.