Well, the modern tendency nowadays is that a lot of young people want to be independent and to live alone. It is actually really advantageous for them as it will teach young people how to live on their own. As a result, they will have lots of useful skills with the help of which it will be easier for them to solve everyday tasks.
Yet, what is even more important is that young people will figure out how to manage on their own which is a truly great skill. Besides, not everyone these days is actually able to do that. Apart from the fact that you will know what to do when you have some sort of pipe problem in your apartment, you will also learn how to spend time alone and actually enjoy it. You have most definitely met a lot of people who cannot do anything alone as they constantly need company. Living alone in a big city teaches you how to be independent and depend only on yourself.