1. This is worthless nonsense
2. This is an interesting, but perverse, point of view.
3. This is true, but quite unimportant.
4. I always said so.
I think many former 'skeptics' are now at stage 3.
Meaning, you can hardly deny mass deforestation. Wiping out the vast majority of wildlife and most of its habitat. The emptying of the oceans, desertification, pollution, plastics, over-population, over-consumption, the list goes on.
With this I mean to say that our entire way of life is unsustainable regardless of climate change. We have to radically change our ways in any case.
Most people intuitively agree that we are holistically unsustainable. Few would argue against it. This doesn't necessarily make people an advocate for change, but it's a start.