I agree with most of what you're saying. In my opinion, the most questionable thing Reed did was captured in your first point; Reed shared large bits from his "off the record" conversations with John. I'm not an ethicist or a journalist, but that seems "wrong" to me.
In terms of the "church" topic, I think Tyler's accounts are completely valid/ethical to share (since he was "on the record"). Still, it doesn't sit well with me that John's account of "church" doesn't align with Tyler's. As a listener it feels like I'm hearing something John isn't completely comfortable with sharing.
Thanks for the discussion points!