It sets a precedent, that anyone can force his believes on everyone else, that creationists - such as ben carson the new boss of the department of education - might use.

This will lead us to a world in which everyone tries to grab the government to force their beliefs on everyone elses children.

People have the right to choose what they desire to learn about. To insist that learning any concept be mandatory, is to insist that you have a higher right to someone else's mind than they themselves do.