Ask HN: Which realisation changed your view of the world, but seems trivial now?

As soon as you understood something, it does not seem complex anymore. But before you understood it, it was a mystery. So what is it that you now think is obvious but where others (in particular, your former self) struggle with?

I use to think the law was followed to a T in courts.

I experienced cases where I saw words bent to reach an objective despite what the law said.