Much more relevant to the recent spare of fires than global warming. https://www.nytimes.com/interactive/2019/03/18/business/pge-california-wildfires.html … Probably happening in AU as well. Even saying this is in pursuit of profit though, is a euphemism. Moral Mazes has a more accurate model.
The main problem may be the lack of forestry in largely unpopulated rural areas, combined with heat and drought. The occasional spark cannot be avoided.