The reason we make parents responsible for their children until a certain age is because we as a collective have judged them incapable of doing so for themselve

The reason we make parents responsible for their children until a certain age is because we as a collective have judged them incapable of doing so for themselves. I don't know how long it has been for you, but for me it has not been so long that I do not remember being incapable of making big life decisions.