Grant eventually comes around, learning that it's more fun to save children than to terrify them -- but as lecturer Mike Hill points out, this theme of creating family is repeatedly underscored in ways you probably didn't notice. For starters, the paleontological dig at the beginning has what's essentially an ultrasound machine, which Sattler and Grant react to like expectant parents.
Not to mention how that is the daddest flannel shirt ever worn.
Then they witness an actual birth ...
At which point the dinosaur immediately breaks out into "I'm The Baby, Gotta Love Me."