I read it. And you are right that B doesn't promote the use of oil, but he uses old facts to insist that we can't switch to renewables because of the costs.

The grid must be rebuilt, anyway. The implication being the usage of more solar and wind power is responsible for that issue and that we must continue to burn fossil fuels and stop wasting time expanding wind and solar power. Hard times are coming no matter what we do, so why help it along when much can be done to slow the worst?

I'm not into the doom and gloom 'the sky is falling, it's all over and there's nothing that can be done' outlook.