I would hate to follow that policy myself. My tongue was firmly planted in my cheek for that one. (I can think of better places to plant it, for sure.)
True, the oil company profits are a low percentage of their costs. But they have consistently fought against conversion to other methods of producing energy. It's only relatively recently that they, like the tobacco companies, are starting to expand their interests, mostly to offset the loss of profits from their mainstay products.