Even churches, while teaching of love within families, segregate children from the most meaningful activities. Housing discrimination against families is still a problem in many areas, where children are placed in the same category of undesirables as pets. They presumably rank somewhere between a parakeet and a boa constrictor. Things are different, in other cultures. Needless to say, his behavior in that store was impeccable.
All children behave as well as they are treated - just like adults.
After all, we have all been children. Children deserve to be treated in the same way that we wish to be treated with kindness and understanding, dignity and respect. We are all human beings, and, in a sense, we are all children. Some of us have just been around a little longer.