If we do change course, that would cause the deaths of hundreds of millions if not billions of people. This is what it would take to change course. You'd have t

If we do change course, that would cause the deaths of hundreds of millions if not billions of people. This is what it would take to change course. You'd have to send the dissenters off to prison camps, which would realistically become death camps. The required level of control was tried in the 20th century, for just a moderate portion of the world, and that is exactly what happened. You simply can't make the entire world change course, not without killings done on a scale never seen before.