Hi Sighs,
I disagree. Whenever I've broken up with someone, I've always granted a follow-up closure talk, because I still care about the person. The dumper has the luxury of knowing it's going to happen beforehand - they've already processed everything and made a decision. The dumpee has no idea it's coming, and so it's natural they're going to have things to say and ask after a few days thinking about it. Getting closure is the most important part of moving on, you come to an understanding of why it ended, what your role in it was, you learn from it, and move on. Denying someone that and prolonging their recovery is selfish, inconsiderate, and extremely disrespectful, especially if you loved them at one point.
I understand there's a difference in my case because of PTSD, so I can't be upset with her. But if I knew that wasn't an issue, I would seriously question the lens I saw her in our entire relationship, because the girl I knew wasn't this cold.