When Jesus calls his disciples 'brothers' and 'friends', he is contradicting general Jewish usage and breaking through into a new concept of brotherhood which is not tribal, but open to any person.
The entrance into Jerusalem has all the elements of the theatre of the absurd: the poor king; truth comes riding on a donkey; symbolic actions - even parading without a permit!
The Way is not a religion: Christianity is the end of religion. 'Religion' means here the division between sacred and secular concerns, other-worldliness, man's reaching toward God in a way which projects his own thoughts.