Children are very cruel, yes. Of course. Children are extraordinarily cruel little creatures.
As adults, we do know more, but we don't know enough. People can be very unthinkingly callous.
Everything we do has consequences.
I was given talent, and if you are given it, it is your obligation to use it.
That vision of a common culture is now simply a remote wistfulness.
Religion, you can't a handle on it, you just have to know or not know-people either believe or they don't believe.