2.
Science has a culture that is inherently cautious and that is normally not a bad thing. You could even say conservative, because of the peer review process and because the scientific method prizes uncertainty and penalises anyone who goes out on any sort of a limb that is not held in place by abundant and well-documented evidence.
Al Gore
3.
If people are going to do post-publication peer review, they need to abide by the same rules as they abide by for pre-publication peer review: not being ad hominem, being respectful, giving the author a chance to respond in a reasonable way.
Susan Fiske