Why does the reader need to read this blog post? We don’t but we think we might learn something or be entertained. Withholding a piece of information that lots

Why does the reader need to read this blog post? We don’t but we think we might learn something or be entertained. Withholding a piece of information that lots of readers are naturally curious about is odd. I like the post & Dan Luu’s writing in general but I’m dying to know the why behind the computer in the smallest box request.