While few craftsmen or farmers, let alone dependents and servants, left literary compositions to be analyzed, it is obvious that their views were less fully intellectualized.
Not to mention there is, sorry, no evidence to support the claims from charcoal enthusiasts that it will prevent bloating, boost energy, brightens skin or whiten teeth.
Professors McGonagall and Moody kept them working until the very last second of their classes too, and Snape, of course, would no sooner let them play games in class than adopt Harry.
I mean, these things are just a laundry list of deadly poisons, one after another: arsenic, mercury, belladonna, not to mention all the heroin and cocaine.
Not only buying all those tablets, but the software, and electronic infrastructure that goes with it, not to mention retraining all the teachers and administration staff.