Accelerant was thrown through the window of Kenton United Synagogue on Saturday night.
The drop has been largely driven by a rise in the number of people not actively seeking work.
The "landmark" legislation aims to stop anyone born after 1 January 2009 from taking up smoking to create a smoke-free generation.
One petrol retailer says he is experiencing about five drive-offs a week at each forecourt, costing him thousands.
The child's mother and her partner say they never wanted Robert Albon to play any part in the child's life.