For me, I tend to apply this sort of reasoning when I'm first encountering an author. If I read blatantly false statements from someone who I have no knowledge of, I've noticed that I'm very likely to put the book/article aside. If I have any experience with the author, however, I've noticed that I read sections that I disagree with very carefully, often several times.

I suspect that I'm applying the halo effect to the articles from authors I like, and anything I dislike becomes jarring and therefore much more interesting. It's been beneficial, though. I feel like I've learned much more from passages I disagree with, but this could also be from having spent more time on them than other sections. Does anyone with speed reading/material retention experience notice the same effect?