As with any incoherent group that only sticks together by the teeth they face insurmountable centrifugal forces once they have a feeling that they are close to their objective. Because their movement is not rooted in reality, their objectives vary widely which pulls them apart. If your movement were rooted in reality, this would be much harder as reality does not offer multiple manifestations. I guess their time is up and they know it.
According to Michael Mann, the main obstacle to climate action is a coalition of Russian robots, Saudis, fossil fuel tycoons, Rupert Murdoch, Wikileaks and climate deniers.