Unlike physical work, which adds. One guy can assemble 50 widgets an hour, another can do 60. Together, they can do 110.
Stupidity, on the other hand:
Assign each person from 1 to 10 points. 1=Stephen Hawking, 10=Gilligan.
However many people working together, multiply their numbers.
The U.S. Congress is thus 10 X 10 a total of 535 times….