In my dealing with narcissists, you have to be feeling really mentally strong, have nothing else to do, and just generally be prepared for a relentless thrashing if you’re going to confront them. They will go so unbelievably aggressive and nasty, and try and ruin you if you so much as hint at questioning their fake version of reality. It’s not for the faint hearted, not at all. If you say something like “I don’t know why you’re Tweeting your financial situation” you’d get back a tirade of abuse that includes every crappy thing about yourself that you’d ever told them in confidence, mixed with a loaf of stuff that doesn’t even make sense to the argument, but leaves you bewildered and hurt. They’re total fuckers to deal with. Just look what she’s done to this Kathleen woman, one bit of criticism, and she’s outed her publicly as an alcoholic.
I tried to explain it to my friend before like this, imagine someone is trying to kidnap a small child right in front of you. You would go wild to stop it happening, jump in front of a car, scream, fight, grab, anything. You’d gain rage and strength you didn’t know you had in you. That’s what happens when you confront a narc. You may as well be trying to suffocate them for how hard they’ll fight, they go full on tooth and claw because disrupting their false narrative makes them feel like they’re falling into a black hole. They’re not ‘normal’, they exist purely on the energy they steal, anyone attempting to cut off that flow of energy sends them over the edge. That’s why her unwell mum and busy dad, and her son’s dad, just ignore, IMO. It’s not worth being ripped to shreds over.