Major question as ever . . . WHAT does this do FOR Pippi and the kids?
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But yes, I get it.
As you may have witnessed . . . what has (sort of) seemed to work for me (only sort of) is I write the letter, redact personal details, real names, etc. post it here, have folks poke holes in it.
Gets me clear in my mind, and then I send it.
Then she ignores it.
But do what you gotta do. But keep WORKING ON YOU.
My Experience is that ranting at an A will just keep you trapped in their nonsense.