I agree, but white collar jobs often afford the opportunity to bugger off for 20 minutes and get a coffee, stretch, etc., where as a line job with time cards ma

I agree, but white collar jobs often afford the opportunity to bugger off for 20 minutes and get a coffee, stretch, etc., where as a line job with time cards may lack that. There are often more resources spent on i.e. chairs, standing desks, even in-office physical therapy, as well (IMO).