Fortunately after dying, they were all sent into a world where they all have chances of getting whatever they missed out of their lives. However, most of them fail to understand why they were there and so constantly rebelled and fought against what they actually truly wanted in the first place.
It sends to us a message that just because you didn't get what you wanted, you have to fight against whatever forces which prevented you from getting it. Because a bigger picture may reveal that everything is just as you wanted it to be - peaceful and happy. :D