Certainly there are cases where teachers ridicule those who do not fully accept evolution as the explanation for the origin of life. Once instance a Biology professor (Dini) at Texas Tech required students to completely disavow any belief that a creator was involved before he would offer a recommendation for a student for medical school. There is a belief among staunch evolutionists that if someone believes in any kind of intelligent design then that person is not fit to go on in fields of science and medicine. It is that kind of bigotry that is not only wrong but deters the advancement of science by disallowing opinions that questions theories that are accepted as scientific fact. A good theory should be able to stand challenges.