Cannes is on, and with it comes the usual litany of complaints regarding the supposed commercialization of the festival, the Hollywood exploitation, and, on the other side of the coin, the continued insistence on pushing a bunch of low-budget, esoteric art films that no one understands. “But both forms of grousing miss the point and the glory of this festival, which since the beginning — this is its 59th edition —has mingled the lofty and the crass with particular Gallic flair.”