Because in practice they are ultra-temporary.
You can’t do it, but why is the parent volatile?
Will it get flushed out eventually?
Various kinds of BitLocker, mostly.
Because our A/B testing showed that showing them was worse.
If it leaked once, it’ll leak again.
Because those were the only kind of locks, back in the day.
Hey, that doesn’t look right.
Two things with the same name, how confusing.
But it was simple.