It's the telling he gets right

Do the highlighted sentences mean "those details do not matter,what is important is that people are thinking he is right"?

Context:

A: It seems that our reporter friend has finally published his article.
B: there is nothing new here... What's hot you so rattled? He gets every aspect of our trick completely wrong... He even thinks I've got my hand inside the arm of the machine....
A: It's not about the particulars. It's the telling he gets right. People believe stories, not facts.