The moral issue with "Heavy Traffic" is somewhat … complicated in that Ralph Bakshi's animated cartoon seems less concerned with beguiling its audience … than of bestirring it…. By any standard, Bakshi's achievement is spectactularly uneven. But then he is just about the only X-rated cartoonist around, and thus there is really not too much basis for comparison. As with "Fritz the Cat," the uniqueness of the genre puts the captious critic in the uncomfortable position of hunting down an endangered species. Bakshi's artistic alibi seems to be that he is a conscious antithesis to Walt Disney. He has even accelerated Disney's unfortunate evolution from pure animation to a melange of animation and live-action, but whereas Disney's clinical orientation was anal, Bakshi's seems to be genital, and whereas Disney's fantasies did not exclude children, Bakshi's seem designed to exclude even squeamish adults. But as Stuart Byron has noted in the...