"Even if the "oil majors and their ilk" thought they could be fully compensated they still would not support AGW unless they believed it."
As far as I know Woodside CEO Don Veolte would be happy with an ETS and many other oil major are also behind it. Don Voelte wrote a letter to parliament a few weeks ago. If they support it they would be seen as being 'green' and helping the environment, i.e. boosting their own image.