You people think so four-dimensionally
One concept of heaven I really like is that we're inherently pure but being in this world is disorientating, confusing and even 'good' people say and do bad things through ignorance or even 'evil' but heaven would be a place where all of that horrible qualities were left behind leaving people eternally free of them.
Imagine if you died and went to heaven only to find all the people who bullied you, hated you, did you wrong or made your life in any way unhappy were also there, but instead of treating you the same, they had seen the errors of their ways and asked you for forgiveness and were kind to you. Then you ended up being eternal friends in the next world with the very people who made you miserable in this world.
Heaven would be a place of forgiveness and redemption. I like that idea because it makes everyone a winner.
We need to remember that when people do bad things, they're still human too even though they are misguided in their thoughts and actions. In a different life and a different world they could be very different people.