Heck, it’s even hard to critique science and scientific studies without looking like someone possessed by a perfection genie. “Sometimes, though, this is the only way to effect change. It will look a bit obsessive, because it takes a lot of effort to pursue this sort of case. … Once you start on a project, you have to keep going on it. This is characteristic of science in general: You work on a project that you feel has some importance and some interest to you, and then you pursue it in depth.”