It's someone asking to open up a communication channel after they (Mozilla) had already overwritten another person's work to the point that person is no longer

It's someone asking to open up a communication channel after they (Mozilla) had already overwritten another person's work to the point that person is no longer willing to participate in the organization. What is there to talk about? The volunteer was kind to list their grievances before bouncing. A lot of people would have just quietly quit.