Inside Llewyn Davis—a film about a talented artist whose work never quite gets the commercial recognition it deserves—was woefully snubbed is the Oscars, which is one of the great life-imitating-art stories of the decade. They appeared to take the snub in good stride (the Coen Brothers certainly have enough Oscars) and reacted over Twitter with a little help from the Internet’s Patron Saint of the Unimpressed, Grumpy Cat …