Not to diminish the humor, but I still think the whole '4' thing is unfair and misleading. The actual mistake was worth knowing about and watching for in your own code. I have actually sat with laypeople at a board game table who insisted they specifically and knowingly chose the value 4 (apparently having learned that fact from memes).
Understanding how you could make similar mistakes when casting or bitmasking, and understanding the number of bits in types and how entropy in cryptography works is less fun than an xkcd coincidence. But it makes the event a good reminder or learning opportunity.
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