I knew someone who did that. He worked mostly on improving safety and throughput. And took an evidence-based approach. I'm pretty sure that's the standard way t

I knew someone who did that. He worked mostly on improving safety and throughput. And took an evidence-based approach. I'm pretty sure that's the standard way to deal with things. It seemed awfully regulated. The problems people seem to have are in design goals. And possibly incentives, once the goals are obvious.