George Lucas has defended his ‘Star Wars’ prequels. The 80-year-old director insisted that his movies were never meant to appeal to grown ups and he doesn’t understand the hate directed at them. According to The Hollywood Reporter, he said at the Cannes Film Festival: “It was supposed to be a kid’s movie for 12-year-olds that were going through puberty, who don’t know what they’re doing, and are asking all the big questions: ‘What should I be worried about? What’s important in life?’ And ‘Star Wars’ has all those things in there. They’re buried in there but you definitely get it, especially if…