It's not uncommon for grown adults to live at home in many societies. The privacy/parents being controlling aside, it has many benefits, including keeping the family unit fairly close to each other for longer. Cost savings, improved mental health, and more free time and more free cash for the young adult to enjoy life a bit longer as the teenage years of play seems to be creeping into the 20s these days as well.
Independence to me doesn't mean getting off to live on your own at 14, 16, 18 or some age that people later brag about. Although hats off to those who have to do it at a very young age because of life circumstances. Independence is simply being yourself and moving out when you're ready at a mutually agreed upon phase in one's life (ie: marriage in many cultures), and not being throw out.