How about write nothing at all?
Why chase down the few people who she didn't work well for? She took quite a bit of effort to come here to create an account to tell people not to call her and then go through the posts to make a list. Yona doesn't work for everyone, Cookie doesn't either, no one does. Can you imagine Yona or Cookie joining this forum to talk about what they didn't do correctly? No they are smart enough to know that they don't work for everyone and to let it go instead of getting on their soapboxes.
As many clients know that some readers work for some and not for others, readers should recognize the same concept.