I know that everyone has already given their opinions about what kinds of people are involved and their motivations, but this is really about two fallible humans, one listing grievances and another asking to open a communication channel. That's it. Anything else you read into this is going to be fraught with your own coloring based on a hundred words written in text (a notoriously difficult medium to establish emotio…
The OP quit, publicly, and the response (and your post) miss that entirely. They aren't interested in a personal chat, and they aren't inviting anyone to help them process their feelings. They've left, and told everyone why.
Corpos have a nasty habit of, after so many years, feeling very entitled to the efforts of what are, at the end of the day, volunteers.