I agree with your general point, but debating the merits of a specific celebrity's success is slightly in bad taste for this site, and in any case this has drifted far from Dweck's work.
One of the hard things about Hacker News is making sure that interesting topics get discussed, instead of getting pulled into a stronger gravitational field. Satellite digressions are often ok, but having every discussion land on the same old popular planets (what, Jupiter again?) is tedious.
Once — okay, lucky. Twice — pretty rare but still possible. Three times? It's not luck at that point. (I'm referring to the progression from Zip2 to PayPal to SpaceX and Tesla).