What if ghosts are like an residual recording? Some appear to be on something like a time loop, sort of like a sim character on a cosmic simulation program.
See more at: https://desertshapes.blogspot.com/search?q=Alastair+and+the+Sims
The Simulation_Hypothesis can be a fascinating way to ponder the implications of synchronicity.
https://en.wikipedia.org/wiki/Simulation_hypothesis#In_physics
https://en.wikipedia.org/wiki/Simulation_hypothesis#Science_fiction_themes
SIMULATION THEORY (Documentary) - Is Reality Simulated? https://www.youtube.com/watch?v=zmRTC6xhis4
https://paranormal-intersection.blogspot.com/search?q=ghosts