There's a reason why those have different degree abbreviations—they're a different kind of thing than the degrees universities later arrived at and spent centur

There's a reason why those have different degree abbreviations—they're a different kind of thing than the degrees universities later arrived at and spent centuries developing. And they and a few others (like engineering fields) are still the only ones that really work as job training. It's a good point insofar as it shows the institution has never been static.