Comment by gandalfgreybeer

>Another thing you don't quite seen in real life: strangers that record a serendipitous conversation, to later post it for the whole world to see, to point and laugh.

In the thread linked above, I think his reasoning for posting the email is reasonable. I find this similar to what the Apollo dev did when discussing with Reddit people. If he didn't record the conversation or make it public, his words could have been twisted.