My opinion on the statement that "researchers must always be objective" is that I
totally agree with it. Although many research papers are written on topics that the researcher feels strongly about, it is the researcher's duty to provide as clear and unbiased a report as possible. To do this, they much present all their evidence as factually as possible, and not resort to using emotions as evidence on the paper. The reason for this is that while hard evidence can contribute greatly to one's research paper, emotions are not only unproven opinions of one person, but can also turn many readers off of your subject if you use them in place of hard
facts. This is not to say that you are not allowed to indicate how you feel about a
subject in a paper, but avoid using emotion-based statements as fact. For example, you shouldn't say, "Such-and-such is wrong or should be changed, is good, whatever, because that's what I believe." It is perfectly fine to hold opinions on issues and to express your feelings towards the issue, but to offer that up as your only evidence towards an issue is not an advisable means of writing a research paper.
I feel as though I have written myself in circles here without saying anything
important. On a further note, I do not like these mushy keyboards.