I pretty much agree with Bob.
The thing is, I go into a movie like Resident Evil not expecting an awful lot. Things go boom, most of what passes for dialogue will be extremely bald-faced exposition, costumes will be wildly impractical and injuries will be precisely as debilitating or lethal as the script needs them to be at any given moment. Whaddyknow: expectations met.
But on the other hand, sometimes I want to watch things go boom, and in a weird way I kind've appreciate the sheer level of ludicrous overkill in some of the set pieces. This movie aims to please and doesn't have a whole lot of illusions about itself. When people talk about movies you go to to shovel popcorn into your mouth and turn off your brain for ninety minutes, this is the examplar.
So... why do movies like this roll off me like water off a duck's back, while movies like "Transformers" actually offend me and make me want to snarl venom at people who defend them with the same kind of "popcorn movie" descriptions I just gave to RE?
I guess in part it's the way it's pitched to the audience. RE thinks of itself as kind of a geeky niche movie at heart, something for people who like the games and video games in general, and/or schlocky action/horror/zombie movies. RE feels like the people responsible are behind you going, "Wait for it- boom! Heh! Wasn't that cool? Okay, hold on- got thirty seconds of explaining where we're going next to get through, then we'll see another monster, promise."
Something like "Transformers" is planted as a "tentpole" movie; it thinks it's the movie for everyone- and by association, it feels like its attitude towards that much wider audience is one of contempt. "Okay, we know you want to see Megan Fox in a low-cut top leaning over a car. All right, now for some toilet humor, because we know that's about the smartest joke you guys are capable of getting. And now we're going to interrupt events that supposedly threaten the survival of the human race for a situation that wouldn't pass muster in the script of an 80's sit-com."
Resident Evil never feels like it's edging out something smarter or better in order to occupy its niche; it doesn't feel like something some asshole executive is going to mention in his next high-concept pitch. Transformers does. Does that make sense?