Not like a dick like he did. No lets jump into a quick call while ignoring everything OP said. It's clear a quick call will not solve this. Turn off the AI roll back all the shit it caused is the bare minimum.
Are you saying they were hard to understand or badly written? Because to me they seem to be crystal clear explanation of issues. I also did not concluded that the leaving person is "struggling" or generally need help.
How would you have responded?