I learned that even if you portray a character as a lecherous, dumb, habitually drunk, and greedy redneck you still can make his death the dramatic high-point and poignant focus of the movie.
While it would be completely beyond sanity to believe a dinosaur egg that embedded in the muck at the bottom of a lake for hundreds of thousands of years could hatch it is on the other hand completely possible for an egg that laid there for mere several thousand years to hatch.