ECO-FRAUD IN SCIENCE: You believe them, because they give you answers you want to hear (not that you NEED to hear).
It is not unethical to be wrong. Every scientist will at times be wrong, but we assume that authors of science papers THINK they got it right. The rewards of success are so high in certain areas, however, that it must be tempting to guess the answer without doing the research. The report urges scientists to give special attention to research results that are especially visible or influential. (image from http://fergus.wordpress.com)