Exactly! If you circle back around to his original objection the same argument can be made... "You use strcpy every day but you don't know exactly how it's impl

Exactly! If you circle back around to his original objection the same argument can be made... "You use strcpy every day but you don't know exactly how it's implemented?". That's the whole damn point of abstraction layers and his example of not knowing the details of the HTTP protocol is just as arbitrary as anything else.