(Obligatory nitpick that they indeed never died out and we did grow up alongside them. And even back then, most dinosaurs weren’t giants. But I’m not sure that

(Obligatory nitpick that they indeed never died out and we did grow up alongside them. And even back then, most dinosaurs weren’t giants. But I’m not sure that a movie featuring only, say, dinos smaller than an elephant, or a tiger, would work. People want to see the charismatic gigafauna.)