This is not unexpected, since the president's office can be purchased just like congressional seats.
Big oil is comparable to cancer on many levels.
Most obviously, oil products of all types can cause cancer. On a deeper level, big oil represents a cancer on and below the surface of Earth. Its rapid destructive and uncontrolled growth and destruction of the Earth resembles the ravages of cancer found in individual living beings. At the turn of the century, one in twenty people developed cancer. Now it is one in three and nearing one in two.