The original phrase, "the purpose of a system is what it does", was coined as a contrast to people saying "the purpose of this system is X" even though it consistently fails to achieve X. It does not make sense to look at an arbitrary problem and declare that the system is that problem or exists to produce the problem.

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trumpdong an hour ago | parent [-]

Facebook does this consistently though.

	▲	SpicyLemonZest 18 minutes ago \| parent [-]
		Bars consistently serve people who will later drive home drunk, and yet it would be wrong to say the purpose of a bar is to cause drunk driving.