In fairness, he did so in part because this was going to go against Total's interests (see Oil, Power and War for that part of the story), but yeah, it was still the right stance to have and history proved him right.
Yup, or things like sulphur thermal storage[1]. Also, hydrogen is pushed heavily by the fossil fuel industry, as it will provide another out for all their methane reserves (via steam reforming).
Or they did, because the people to benefit from those tax cuts happen to own the media and pushed the very anti-abortion and xenophobic ideas that got him elected...
And just the same, copyleft licenses (which are not "non-permissive" in my book) such as GPL don't "mean that you cannot without consent", they just want you to share the result back under the same license (which is often an issue for some corporate projects).