Discuss the gang's motivations, taking into account the age and beauty of the house, blackie's reasons for not going home after losing his position of leadership, the seriousness with which the boys work at their task, and their loss of concern over their leadership, the burning of the pound notes, and their consideration for old misery, and the lorry driver's reaction. what characteristics do the gang's two named exploits- pinching free rides and destroying the house-have in common?