Our young blood come in this world to have a taste of life just like every one of us. Start off purely innocent with inquisitive look on their faces, and still try making sense of the real world we live in, it's hard to believe the ugly side of human when they lay dirty hands on them.
There is no heaven nor place call Utopia for them to live in, or for everyone for that matter. There is only thing called commitment in making the world a better place and through human efforts to fulfill their needs with means which only god approves.
We keep them save from being lost in the real world in our best effort we are capable of.