Why do so many post-00s become long-term investors?

$99SMART (5326.MY)$ People are really strange. If you predict the rise and fall in advance, they say you're a wizard. If you explain the reasons for the rise and fall afterwards, they say you're hindsight biased. So uncle and aunty, what do you really want? First come first served, but also come later, and finally come together, right?