“..But PSR treats cars like they are computer digits, it’s interested in destination and pays little or no attention to weight distribution...”
NEVER, ever, let a bean counter or lawyer “manage” anything in your business....ever!!
Let em “count the beans” and give “legal advice”, but if one wants to safely stay in business, don’t let em manage anything. Other than counting numbers or reading case studies, they don’t have a lick of common sense or hands-on management skills.
That’s basically the reason that Elon Musk won’t hire MBAs.
He believes that their fixation on numbers alone results in foolish decisions that end up destroying companies.
Precision Scheduled Railroading may have leapt beyond that to destroying an entire town and a lot of its resident’s health.