The Met Gala has long been Twitter's favorite opportunity to express disgust over the frivolities of the wealthy , and last night's ‘Gilded Age’ event was no exception. Celebrities flocked to show off their shockingly expensive fits (and lack thereof) at the Metropolitan Museum of Art's fundraiser, and the keyboard smashing couch-sitters were more than happy to offer up their memes, reactions, sartorial takedowns and general commentary. One of the overarching themes of the criticism focuses on…