“May the Fourth” has always seemed like a particularly fake corporate holiday because “Star Wars Day” is like the conspicuously missing Children’s Day: Isn’t that every day? Do we really need a day set aside to further honor the space-fantasy franchise that accounts for 12% of the 50 biggest-grossing movies in North America, including a current number-one spot that seems likely to go unchallenged for another bunch of years?
We do not. But it arrives anyway, especially when…

