I see Marie is one of her deluded followers:
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There is an ulterior motive behind every seemingly amiable gesture Chantal makes. She shouts out members of the chat to make them feel special and recognized so that they’ll return again and again to ask about her myriad health issues, what she’s eating right now, how her grandmother is doing, and a multitude of other banal occurrences in her life.
As she just said in her community tab: streaming makes her feel less lonely and she has fun interacting with her audience.
And it will likely stay that way as long as the primary focus is positive (which her mod's will ensure by deleting any untoward comments) and the momentum revolves around her.