You say he's reputable since he's been a part of the industry so long. I think that doesn't help his credibility. Just like the tobacco industry, which had experts who claimed that cigarettes don't harm you, I find it hard to trust the oil companies much. He has some stake in it. As oil becomes more scarce, Big Oil is not going to want people to abandon it. But if people are convinced that oil is dangerous, do you think they will just sit and watch. Lawsuits would kill the oil industry before the government could get involved.