As a casual user of Rotten Tomatoes, I can't make any sense out of the ratings. They could be random. The 'critic' ratings have no predictive power at all for

As a casual user of Rotten Tomatoes, I can't make any sense out of the ratings. They could be random. The 'critic' ratings have no predictive power at all for me. The 'user' ratings have some value but not a whole lot.