Um, yeah, actually, it's the kind of thing they need to know, so they can recognize injustice when they see it. You do get what a complete injustice this was, right? The use of the legal system to force people into servitude. One can argue it still goes on today, where the Prison-Industrial Complex has 2 million people locked up, 46% of them for non-violent crimes.
Hey, your cardio-pulmonary system is only 12% of your body... but remove it, you don't function.
That 12% of our history is very important, if you HAPPEN to be part of that 12%.