Sometimes, you see your reflection in a snow-covered hill and you notice that you're wearing the most elaborate and ridiculous costume that anyone has ever seen. Also, maybe there's a parasitic billionaire oligarch standing next to you. Last night, the Met Gala brought many, many fancy people out to New York's Metropolitan Museum Of Art. The theme for this year's big party was "Costume Art" — or, to be more maddeningly vague, "Fashion Is Art." Many, many pop stars were in attendance, and a couple of them performed together. This year's Met Gala sponsors and honorary chairs included Jeff and Lauren Sánchez Bezos, and the attendees included Mark Zuckerberg. Zuckerberg and Jeff Bezos skipped the red carpet, but the visible participation of mega-rich hegemons irked plenty of New Yorkers. Mayor Zohran Mamdani declined to attend, and so did a few other ultra-famous people, while groups like Everyone Hates Elon held very public protests around New York.…