Do your grandmother, mother, sister, wife or daughter talk like that to strangers? Like Marie talked to that guy?
She created this whole mess, sorry. She didn't back off, she hijacked his thread, insulted him, and then proceeded to organize a dogpiling session. Not cool.
Do the women in your family do that kind of shit? If so, excuse me, but they will reap what they sow.
She had the mute button available to her for the entire time. She chose poorly. Guess what? Consequences, bitch.