You guys aren't reading the article are you?
If you did, you would recognize that people don't have the luxury of time in critical analysis.
That's pretty much the crux of the intention of the OP.
By not taking the time for critical analysis we may very well doom ourselves. The one I like to use is Thalidomide. In the rush to get this product to market thousands of children were bore deformed. Why? Because there was no time for critical analysis.
The whole point behind AGW is to redistribute wealth from us to third world countries. Will it stop the earth from warming? Doubtful but it will put a lot of money in pockets other than the ones who created the wealth.