nor able to sweep up brick dust on the floor for decades because it is “destined” to be reverse-bullet damage that is fixed in the future.
(In the movie, you see them walk into a pre-damaged room that is later ‘repaired’ by the inverted gunfire that caused it)
And now you understand how entropy and time are related. To go backwards in time means to violate entropy, which appears nonsensical to us.
Causality is overrated.
I’ve heard the notion that rising entropy is required to be able to create memories, which is why we have a sense of direction in time.