According to SO, they
removed a moderator for repeatedly violating our existing Code of Conduct and being unwilling to accept our CM’s repeated requests to change that behavior.
As Monica says,
Representatives of the company including executives, a director, and the Community Management team have failed to respond to my repeated requests to be shown these alleged violations and warning...
So, what did Monica actually do?
Previous content so comments make sense:
What did Monica say, according to SO?
What did Monica actually say that violated the existing Code of Conduct (pending Monica's acceptance, of course)? We've heard a lot about how she did, but not what she did.