[ It reminds Yukong at least somewhat of what Fu Xuan can do with the Matrix of Prescience, creating spaces within the mind to relive memories or even try to reconstruct them. It's not quite the same, but close enough that she can somewhat follow Maruki's explanation. ]

In other words, you erased everyone's pain and suffering with one foul swoop. But that, of course, also takes away with free will, their personalities, everything that makes them who they are.