Having watched several of her wins this would be news to me.
She seems a bit odd at times. Her gesticulating with her hands, facial expressions, piercings (I am old) are a bit offputting, but her sexuality has never been an issue that I have seen.
However: CONSPIRACY THEORY:
Gould it be that Jeopardy has gone totally woke and is feeding answers to people they want to normalize. First trans Amy and now Mattea.
What next a Champion Furry?