Not manually, but at least in the early days I got the feeling (from sitting through one of their presentations in college) there was a lot of hand optimization

Not manually, but at least in the early days I got the feeling (from sitting through one of their presentations in college) there was a lot of hand optimization for specific clients. But it's enterprise, so not unexpected. Enterprise contracts love to see "people working". Who cares if smarter software could eliminate most of that -- they want to see the people they bought.