A novelist is allowed (and encouraged!) to bend facts to make their books more exciting to the reader. Crichton may or may not have been an expert on certain subjects, but the contents of his fictional novels are not relevant to that discussion.
1. https://www.cfa.harvard.edu/~scranmer/SPD/crichton.html
2. http://www.ucsusa.org/global_warming/science_and_impacts/glo...