It's not climate change on its own, these muppets need to be receive 20 year minimum sentences.
Climate change is only a problem because it has created conditions where a fire can spread extremely quickly. It also causes more bushfire ignitions in SE Australia due to more lightning strikes.
If these scumbags weren't lighting fires, we would have a bushfire season that isn't horrific. The fact arsonists exist doesn't mean climate change doesn't.