I don't see how "going to heaven," whatever that means, really solves anything. For example, what if you get to heaven, yet you still feel like your existence lacks meaning & purpose? Or what if it turns out that you've drawn the short straw in the next stage of god's plan, and he has predestined you to rebel against him, in effect by becoming the next satan or something?
These are written from the angle that Christians deconverting is bad.
Cognitive reasons
Breaking up because a relationship with God becomes unworkable
Leaving because other Christians aren't empathetic about doubt
At what age do people leave?
It looks as though there may be more articles in the series.