There are two major problems, though to my pleasant surprise, neither of them is the circa-2002 television CGI. They are by no means the best dinosaurs that visual effects technology could supply then, let alone now, but they've been lit well enough to fit in with the bright cinematography, and some care has gone into the animation.
But I was talking about the problems. First and foremost: this really should have been a two-part miniseries, not a three-parter; there's not really enough story for three hours, but there's damn sure not enough story for four and a half. A ton of the story that there is in either case is lumbering world-building that remains perversely unclear and half-baked, given how…