They drew their greatest strength from the close attachments they had formed to the small military units to which they belonged. B all of this helps to tear us away from each other. Add to that what Philip Slater notes B the trend towards wanting every member of society to have their separate room, separate telephone and separate car all lead to formation of a terribly alienated society. And Satan draws on that momentum. He'd far rather that if we have to come to church, that we slink into a seat where nobody will find us, never see us get involved in programs or talk to us or get to know us or befriend us.
B actually turn to greet and encourage each other.
Divide and conquer. The Word of God counters that, and calls disciples to devoted fellowship. In fact there is a picture that is found throughout the New Testament which speaks of this devoted fellowship. It is the picture of a body. The Body of Christ.