Something you learn about Pippa is she believes in what she believes in, and she believes it 100% all the time, regardless of proof, data, or reason. Until such point as she decides she doesn't, but you're not going to be the one to make that happen. If chat can't even convince her to see a dentist until she's literally in so much pain she has to present at the hospital, they're not gonna sway her on politics. In fact, the more people pile on to tell her she's wrong, the more she just digs her heels in out of contrarian spite if nothing else. Just like any other woman really.