Scientists, as Del Ratzsch has pointed out, are people. And qua people, they sometimes have non scientific biases. These biases and motivations are crucial for they guide and restrict the science. Some answers are acceptable and other answers are not acceptable. It is that simple. There are those who are blackballed, and there are those who do the blackballing. It all depends on whether one is interested in truth or in dogma. You know who you are. Read more