You wouldn't save that money. The kind of work that would require would be on the order of hundreds of millions of dollars of work, an entirely new infrastruct

You wouldn't save that money. The kind of work that would require would be on the order of hundreds of millions of dollars of work, an entirely new infrastructure, and massive retraining. The return on investment is a very long term issue. I currently work in the sector, so can't say too much about it, but the problem is that it's a hard problem at scale.