You are really the exception.
Maybe that is an indication of how parenting has changed over the years. From instilling independence and maturity to fostering friendships at the expense of independence and maturity...
Living in a condo all alone, when you don't have to?
Work was a part of it. I didn't want to do an hour commute to get to work. Price of gas would certainly offset the rental costs.
For the betterment of your character?
Possilby, but also the ability to live within my own rules, go about my schedule without regard for impacting others...
Making yourself a better, self relient person?
A skill that lasts a lifetime.....