I guess I would agree if they were raising awareness for something people arent aware of, but everyone is aware of climate change wether they believe it or not. If their activities highlighted specific areas that need more awareness then that might also be more acceptable, but the only thing the public are aware of is that they are very annoying.

Why don't they target oil companies, or politicians, instead of the general public? It's bad enough having your government ignoring you without also having activists target you ostensibly for the same causes you believe in.