I don't see a problem. These movies only come along every 3 or 4 years, so there's plenty of time for audiences to decompress and get ready for the next one.
Of course unlike others here, I don't see these movies as a bunch of mindless, Michael Bay-style action spectacles anyway. As "frenzied" as they may be, I still think Abrams manages to make them about a thousand times more engaging and compelling than the typical Bay movie.
THIS, although I like the Michael Bay Transformers