Alert: inferential distance failure!
You would have to make them first read the sequences and learn university-level math and physics. And probably some philosophy of science.
Probably best to teach them this before they know it's a conversation about deconversion. No one is going to want to learn something if it means losing an argument.
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.