> I do. Among other reasons, because the damages will far outweigh the sacrifices, if we don't prevent the worst consequences of climate change. But what we also need is a shift in mindset: Optimize for happiness and not for economic growth.

I agree you but I agree more with OP, but would rephrase: there’s zero chance that a sufficient majority of people will agree with reducing consumption. Unfortunately it doesn’t matter at all what you and I think would be better. If we really do want to prevent the worst damage of climate change then we’re beyond the point where we can rely on an extremely radical population-wide attitude shift occurring in the next few years.