Lucasfilm Ltd. is a major corporation with hundreds of divisions, unfortunately, one of them happens to be a licensing division which George Lucas has little to no involvement in. Does anyone really believe that George Lucas wakes up in the middle of the night and says, "We should make Star Wars Transformers!"? I sure don't.
It's become too easy to blame the "failures" of the film series on the licensing division of Lucasfilm. Let's get back to basics here.