yes! I love her videos. Check out her "hot for philosophy" video, it's hilarious.
As for introversion/extroversion...yes, introverts can put on the extravert facade and vice versa, but there's a slight difference in how they both do it. Introverts push themselves to show more energy; you can tell from their posture, body-language and such that they are forcing themselves to do it. On the other hand, extraverts pull themselves back to keep their energy inside when they want to appear more introverted. It's nuanced, but you can often tell the difference. I said ENTP, because in the video, the girl seems to be pulling herself back from showing too much energy, rather than pushing herself forward. I don't know how else to say it, except "INTPs don't look like this."
Not implying INTPs can't be more "extroverted", but that it just looks different. Case in point, Ashley and Mary-Kate Olsen, who are also (gasp!) INTPs.