From the same writer of the original article, again published in People:
“After the wedding she wrote him a letter. She’s like, ‘Dad, I’m so heartbroken. I love you. I have one father. Please stop victimizing me through the media so we can repair our relationship.’ Because every time her team has to come to her and fact-check something [he has said], it’s an arrow to the heart. He writes her a really long letter in return, and he closes it by requesting a photo op with her. And she feels like, ‘That’s the opposite of what I’m saying. I’m telling you I don’t want to communicate through the media, and you’re asking me to communicate through the media. Did you hear anything I said?’
people.com/royals/meghan-markle-dad-thomas-markle-letter-after-wedding/
Those quotation marks might be significant, if they show the wording (as detailed by the friend) is identical to what is in the actual letter.