According to Wikipedia, the world record snatch + clean and jerk total in the 56kg (men's) class is 305 kg, which is 5.4 times 56kg. The world record total in the heavyweight (more than 105 kg) class is 472.5kg, which is 4.5 times 105kg. (http://en.wikipedia.org/wiki/List_of..._weightlifting
In other words, the CFT tables don't have an "anti-bodyweight" bias. Rather the opposite: they reflect the reality that smaller lifters have to move larger multiples of their own bodyweight in order to join the "elite."