Sure, but right now, almost no one is talking about geoengineering as a serious solution.

That a very poor perspective when you care about existential risk. Memes do have effects 10 or 20 years down the road.

It bad to say things that are clearly false like that the evidence for climate change is comparable to that for evolution. Evolution being true is something with much better evidence than p=0.999.

The point of Lesswrong isn't to focus on ideas with short-term considerations. It's rather to focus on finding methods to think rationally about issues. It's about letting a lot of people in their twenties learn those methods. Than when those smart people are in positions of authority when they are in their thirties or forties, you get a payoff.

If scientists lie to the world to get policy makers to make good short-term policy decision that expensive over the long term. Scientists shouldn't orient themselves towards short-term decision making but focus on staying with the truth.