Why do evolutionists think that humans and dinosaurs cannot co-exist?
Because there’s an over 60 million year gap between the end of the dinosaurs and the first hominids. Thinking that humans and dinosaurs co-existed is as ignorant as thinking Elton John could have made an album with Beethoven. It has nothing to do with being able to get along as musicians; it’s the fact that their lifespans don’t overlap.