Yeah people get that one wrong all the time. They don't realize what a bad argument it is.

I'm guessing they are ignorant of historical facts and are just repeating what they heard from somebody else.

People do get that wrong. But the corrected version is “you were supposed to die as a baby”, and…

That doesn’t sound any better.

	▲	jjulius an hour ago \| parent [-]
		>That doesn't sound any better. It doesn't, because "it was so common to", as OP stated, is not the same thing as "you were supposed to". There's no reason it should be corrected, it's accurate.