I don't cast people away if they made mistake, but they have to prove they are serious to learn and be better from their mistake, and Mari has not prove it to me. She still takes adultery issues too lightly on TV show in which she get teased very so often these days. I know it is a Japanese TV joke, but in Asia, or especially Japan, you can't regain respect from commoner if you keep doing that. And I would not want my kids to hang around with someone like that. These are strong words, I know. Sorry.
Her work ethic is a separate matter though. I think she is still a great TV talent as she used to be, and I still like her for that.
But yeah ... Amped is right. Maimi being Maimi and Ayaka being Ayaka, they are probably happy to see her back. My apology.