alt Hacker NewsIf they were 'clearly different' we would not have the concept of the CEO fraud attack:
https://www.barclayscorporate.com/insights/fraud-protection/...
That's an attack because trusted and untrusted input goes through the same human brain input pathways, which can't always tell them apart.
Your parent made no claim about all swans being white. So finding a black swan has no effect on their argument.