You did not list your counrty but .Vaccines are the best way we have to prevent infectious disease. A successful immunization program depends on the cooperation of every person. Vaccinations prevent you or your child from getting diseases for which there are often no medical treatments. These illnesses can result in serious complications and even death.
I would say becasue it essentially mimics the American system. If small committee chose the president, it wouldn't be representitive of the "people" or the majority.