a casual perusal of the comments (now a large set of observable data) would indicate that anti-creationists (who presume to be the exclusive proponents of science) use assumption and ad hominem ad nausea to support their conclusions. (religion.blogs.cnn.com)
A funny thing has happened in climate science to scientific inquiry: the usual ethics of free discussion and fact - based criticism have been discarded in favor of ad hominem attacks on critics of AGW theory. (climate-skeptic.com)
Enough with the ad hominem fallacy in assuming that there's some «sin» that I don't want to let go of. (religion.blogs.cnn.com)