Yes, they are all over the top. And all of them have more cliches than any other movie or franchise of movies.
But, it is Fast and Furious, and it's about the cars, and the shady culture that surrounds them. If you look at all the Fast &Furious movies, you see the ever changing landscape of that culture...with some fight scenes and mediocre acting thrown in.
Think Knight Rider meets Condor Man, meets Bullitt, meets The Fall Guy