For me the smoking gun with Michael Cat has always been after she was fired, not a singe tear was shed among anyone from hololive.
Her 3rd genmates even seemed pissed off at her, specially Flare.
This doesn't mean Mafumafu is in the clear. It's one thing to dedicate your life's enterprise into physically becoming a cuck twink fairy, it's the step up level to marry a mentally radioactive cuckoo who has you living on a rented apartment even after getting married. Holy shit, does Japan earn that receding birth rate they seem proud of.